Sep 13, 2023 · This integration ensures precise pressure measurement for effective emission control, reducing harmful pollutants. The Diagnostic Trouble Code (DTC) will be set when the EVAP Purge Pump Pressure Sensor is not within a calibrated range, unable to re-zero the voltage. P146F Chevrolet Code - EVAP Purge System Pressure Sensor Performance.The P0496 code indicates that there's an incorrect amount of intake vacuum flow occurring in the car's EVAP system. Any time this vacuum is higher than what the computer determines is appropriate, the codes will be set. While this code can occur with all brands, it appears to be most common with GM vehicles.To diagnose the P146D code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Labor: 1.0. To diagnose the P1406 Saturn code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Aug 19, 2019 · To diagnose the P1406 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Jan 9, 2023 · The P1406 code there is a problem with the EGR valve. ... Hi I Have A 01 S10 4x2 Chevy Blazer With A 4.3 It Has A Random Miss Fire On Number 1 Cyclinder Under Load I ...i explain what the famous P1870 code is, what causes it and how to fix it cheaply, with gm bulletins to back it up my explanations and results with live scan...my 96 astro is really running rough, bogging when I step on the gas. I pulled codes p0101,p0102,p0300, and p1406. the misfire and MAF codes I am assuming is froMy 1996 Chevy Lumina’s Service Engine Soon light is on. Computer code P1406 and P0401 (Autozone) I had the EGR Valve replaced two times in two weeks. The mechanic’s only suggested solution was remove the intake and scrub with a wire brush. I also had the dealer’s service center look at the car.the GM OBD II code P1406 points to your EGR valve. have it replaced Read full answer. Nov 04, 2009 • 1997 Chevrolet Astro. 7 helpful. 2 answers. ASM EMISSIONS TEST RESULTS - CODE P1406. P1406 - EGR (Exhaust Gas Recirculation) Valve Pintle Position CircuitP1406 EGR Valve Pintle Position Circuit - Read Our Article on EGR Valve Codes For Help With This Chevy Check Engine Light Code. P1407 EGR Air Intrusion In Exhaust Supply To EGR Valve - Read Our Article on EGR Valve Codes For Help With This Chevy Check Engine Light Code. P1408 Intake Manifold Pressure Sensor Circuit.11 Jul 2016 ... ... code reader to read any check engine light that could occur because of this: https://www.amazon.com/dp/B07D1KH9SC/ Get some Carb Cleaner ...P1406 diagnostic trouble code details. DTCSearch.com. P1406 OBD Trouble Code. 7 results found. P1406 - Acura; Type: Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled: Description: Exhaust gas recirculation (EGR) valve position sensor - circuit problem. Cause:P0405 is a diagnostic trouble code (DTC) for "Exhaust Gas Recirculation Sensor Circuit A Low". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for ...A prevalent issue with the Chevy Malibu is the P0446 code. This code corresponds to a specific number obtained when connecting your Malibu to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Table of Contents Definition Symptoms Causes Diagnosis How to Fix P0446 Definition P0446 is a …Chevy Malibu P0496 Meaning. P0496 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing. The code technically stands for: Evaporative Emission System High Purge Flow. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in ...Mar 15, 2009 · the code 1406 is a EGR code, lets check and make sure the egr is working and is hooked up. code 1441 is a evap code, basicly we need to check the the charcole canister and all vac. line from the gas tank to the engine and canister. after we tackle these we can look into any other codes you may haveTo diagnose the P1406 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Possible causes. - Faulty Exhaust Gas Recirculation (EGR) valve - Carbon blockage of the pintle. Tech description. The P1406 Isuzu code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve.Chevy diagnostic code U0285 is a common issue that many Chevy vehicle owners may encounter. This code relates to a communication problem between the vehicle’s electronic control mo...13 Feb 2010 ... There are 2 sensors on the downpipe before the cat & 1 sensor after the cat. Thanks Error codes are: P1406 P0135 P0147 and. P1406 AGAINThe OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick ... Closed Position Performance P1405 Exhaust Gas Recirculation System Valve 3 P1406 EGR Valve Pintle Position Circuit P1407 EGR Air Intrusion in Exhaust Supply to EGR Valve P1408 Intake Manifold Pressure Sensor Circuit ...The 2020 Chevrolet Silverado is a fabulous choice if you’re searching for a reliable full-size pickup truck. Why? Because the Silverado is ranked in third place on the US News site...P1404 CHEVROLET Description. The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value. The PCM tests for a stuck valve when the desired EGR position is at 0%. The PCM commands the EGR valve to ...1995 Chevy S10 Blazer: p1406 code on my obdii reader..egr valve My 1995 Chevy S10 Blazer is giving me a P1406 code on my OBDII reader. I'm finding online something about the EGR valve.Nov 29, 2008 · 1996 Chevrolet 1500 4.3 l. troubleshooting codes p1406. 1996 Chevrolet 1500 4.3 l. troubleshooting codes p1406. Answered in 26 minutes by: Golden Wrench. Golden Wrench. Category: Chevy. Satisfied Customers: 348. Experience: ASE 30 Years of fixing severly broken cars and light trucks. Verified.Start and idle the engine for at least 2 minutes. DTC P1400 should run and pass. Circuit/System Testing. • Inspect the air intake system for the following: - If any other DTCs are set, diagnose them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle . - Modified, damaged, or restricted.how u doin. i have a 1995 chevy blazer 4.3 "w" engine code, 2 door. when i hook up the diagnostic tool, i get p1406. manufactured control emmisions. some told me its the egr valve, another tells me th …Conclusion. P0446 is a diagnostic trouble code (DTC) associated with a vehicle's evaporative emissions control system. It signifies an issue in the vent control circuit in your Chevy HHR's EVAP system, which prevents fuel vapor from being released into the atmosphere. A prevalent issue with the Chevy HHR is the P0446 code.The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...What is the Cost to Diagnose the Code P1406 1997 Ford F150? Labor: 1.0. The cost to diagnose the P1406 1997 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.13 Nov 2011 ... Here is how to clean the EGR (exhaust gas recirculation) valve on a GMC Safari Vortec V6 engine. If your engine started running really rough ...96 Chevy Astro setting transmission code P1886. 156K miles, trans fluid changed 3-4 times in last 10 yrs, never a lick of transmission trouble, condition developed suddenly. Transmission operates norm …What is the Cost to Diagnose the Code P1406 Mazda? Labor: 1.0. To diagnose the P1406 Mazda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type.Re: 96 s10 with 2.2 4 cyl. got code 1406 which is egr... Pintle position on EGR valve is incorrect if voltages are correct on EGR connector replace EGR valve if voltage readings are wrong at connector replace ECM both are found on ebay for under 75 bucks. Posted on May 16, 2012. Helpful 1.If a current DTC P1406 sets during 2 consecutive test cycles, the VCM turns on the Malfunction Indicator Lamp (MIL). Conditions For Clearing The MIL /DTC The VCM turns …A P1400 code is a manufacturer specific trouble code related to vehicles such as BMW, Chevrolet, Ford, Mitsubishi, and Nissan and refers to failure for the Emissions Reduction Control System when performing a cold start. The purpose of the catalytic converter or to perform properly, which is efficiently reducing emissions, it must be maintained ...The P1870 code is a specific code for General Motors vehicles, which may include companies that it runs like Chevrolet and Buick. It is part of the way General Motors manages their automatic ...The p1406 code Chevy is here to test your patience. Unravel the mysteries behind this code and explore the possible solutions to get your beloved Chevy back on the road. Buckle up, the journey begins now! Read More . chevrolet p0449 00.Repairing the hose can resolve the issue. Fixing the P0446 code in a Chevy Silverado may involve replacing the vent control valve, cleaning the charcoal canister, replacing the pressure sensor, or repairing a vacuum hose. The specific repair needed will depend on the root cause of the malfunction.MEMBER. 1996 CHEVROLET S-10. 6 CYL. 2WD. AUTOMATIC. 210,000 MILES. I have replaced the TPS sensor and the EGR valve but I keep getting the same codes. P0122-tps low voltage and p1406-egr pintle position. Engine idles erratically when codes are present.96 sonoma running too rich with p1406 code. P1406 EGR Valve Pintle Position Circuit Fault. This code is usually caused by carbon buildup in the EGR valve. The carbon deposits prevent the valve from closing completely. After removing the EGR valve, clean the pintle seat area of the valve and the corresponding passageway in the engine.When retrieving Chevy trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. ... Read Our Article on EGR Valve Codes For Help With This Chevy Check Engine Light Code P1406 EGR Valve Pintle Position Circuit - Read Our Article on EGR Valve ...To diagnose the P146D code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Causas del código DTC P1406 Chevrolet. Diversos factores pueden desencadenar en el código DTC P1406 Chevrolet en un vehículo. Algunas causas pueden ser: Válvula de Recirculación de Gases de Escape (EGR) defectuosa: La válvula EGR puede presentar fallas en su funcionamiento, lo que puede causar el código P1406 en un Chevrolet.EGR p1406 again still not clearing the dash light and code I just had my '96 S-10 pick-up scanned and I had a "not - Chevrolet 1995 S-10 CA Edition question. Search Fixya. Browse Categories Answer Questions . 1995 Chevrolet S-10 CA Edition ... Code p1406 is an EGR code but that has nothing to do with the light not working. Some one has probably ...Overview of the causes and fixes for a P0496 Code Evaporative Emission System High Purge Flow on a Chevy Traverse.Read Here for more information: https://www...To diagnose the P1406 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.By design, this difference in pressure is measured by the DPFE sensor in terms of voltage. The DPFE voltage signal output to the PCM is directly proportional to the flow of exhaust gas entering the intake manifold. P1406 1999 Ford F150 Code - DPFE Sensor Circuit Downstream Hose.2006 chevy silverado 5.3.getting codes p1125 p2120 p2138 and i’veP1406 code repair Q&a: 1996 chevy tahoe p1406 codeSwitching out a motor got a code. p126c. on a 2014 silverado 1500 4.3. I have a1998 gmc has a …Labor: 1.0. The cost to diagnose the P1406 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most …Chevrolet. Monte Carlo. Trouble Codes. P Codes (Powertrain) P1400 - P1499. P1406. SPONSORED LINKS. Codes P1406 and P0172. LIONELL8732 MEMBER; 1996 CHEVROLET MONTE CARLO; 3.4L; V6; 2WD; AUTOMATIC; 129,000 MILES; Need some help trying to figure out what is code p1406 and how to fix it on my car listed above with a 3.4 dohc engine. Also im having ...Jan 26, 2011 · Re: Service engine soon light on. code P1406. On chevey P1406 is the EGR pisition pentile circuit. So its telling you that its the EGR valve it self at the port in the intake manifold. You can try to clean this there must be carbon build up on the pentile . Howerver you must need a tune up or have something else that would cause this kind of a ...The code P1406 is in most cases caused by the EGR valve Pintle position, often time the pintle has carbon build up on it and dose allow the pintle to seat. Remove the Valve and have a look. Ask Your Own Chevy Question. If there is no carbon build up, can you recommend test steps to perform. HiCustomer.1996 Chevrolet k 1500 engine code p1406 egr brand new egr. 1996 Chevrolet k 1500 engine code p1406 egr brand new egr valve cleaned all ports on intake ...Labor: 1.0. The cost to diagnose the P1406 Dodge code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.SOURCE: code p1406 valve pintle position open. Unless you use a scan tool to clear the fault, it will not go away by itself until 40 consecutive warm up cycles have been completed without a fault. You can go to Autozone and they will clear the alarm for you. You can also clear it by disconnecting the PCM ( powertrain control module ) battery feed.Description of DTC code P1406. The EGR (Exhaust Gas Recirculation) valve has a sensor that detects the position of the EGR valve shaft and then transmits that data to the Powertrain Control Module (PCM). The EGR position changes according to signal voltages ranging from 0.1 to 0.3. The PCM memorizes the valve signal voltage when the valve is ...I have a 95 chevy blazer 4.3 Vin#1gnct18w4sk255218 & the truck wont start at times. I scanned for codes and got codes p1406 & p1351. When it doesnt want to start it has spark and good fuel pressure bu … read moreTo diagnose the P1406 Isuzu code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Chevy Equinox P0496 Meaning. P0496 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing. The code technically stands for: Evaporative Emission System High Purge Flow. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in ...Category: Chevy. Satisfied Customers: 2,158. Experience: GM. Verified. P0113 is the Air Intake Temperature Sensor. Probably a bad sensor or wiring issue to the sensor. Instead of P1460, I think you meant P1406, Which is EGR performance. These engines are prone to carbon buildup in the EGR passage, and when a peice of that carbon breaks off, it ...It gave code P1406 and that's all the info they had. So I called a local mech. who was supposed to be one of the top chevy mechanics around. He stated it was most likely a bad/stuck EGR valve.Summary. A P0406 code means that the powertrain control module (PCM) is receiving extremely high voltage signals from the exhaust gas recirculation (EGR) sensor. A faulty EGR position sensor/valve and wiring issues are conditions that can trigger a P0406 code. If this code is set, your vehicle may fail its next emissions test.1996 Chevy Van G1500 5.7L Computer Problems. This was a common problem on the early General Motors full size G vans and Astro vans. They mounted the computer...How to diagnose and fix a P1416 in a 2000 Chevy Silverado 4.8L. This cose is usually the check valve in the secondary air pump on the passenger side of the ...By design, this difference in pressure is measured by the DPFE sensor in terms of voltage. The DPFE voltage signal output to the PCM is directly proportional to the flow of exhaust gas entering the intake manifold. P1406 1999 Ford F150 Code - DPFE Sensor Circuit Downstream Hose.What is the Cost to Diagnose the Code P1406 2001 Ford F150? Labor: 1.0. The cost to diagnose the P1406 2001 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.P1406 Chevrolet EGR Valve Pintle Position Circuit. Possible causes. - Faulty Exhaust Gas Recirculation (EGR) valve - Carbon blockage of the pintle. Tech description. The P1406 Chevrolet code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve.1996 chevy c1500 with v6. Chevy Mechanic: goodwrench9124. Ok, code P1406 is a egr code. DTC P1406. The VCM constantly monitors the linear EGR valve pintle position sensor in order to ensure that the valve is responding properly to the commands from the VCM. The DTC P1406 is a type A DTC.Codes P0171,P0174,P1406. @ 2500 rpm and operating temp. ST1 +2 ST2 0 LT1 +15 LT2 +15 All O2s are good - replaced downstream this morning (failed component test). Now, up …FordP1406 Ford DTC P1406 Make: Ford Code: P1406 Definition: DPFE Sensor Downstream Hose Off Or Plugged Description: Engine started; and the PCM detected the DPF EGR sensor signal indicated EGR flow existed …Summary. If your vehicle logs a P0405 code, it means that the voltage signals from the exhaust gas recirculation (EGR) valve are below the normal range. A faulty EGR valve position sensor/valve and circuit issues are most likely to trigger a P0405 trouble code. If your vehicle logs this code, it will be at risk of failing its emissions test and ...P1406 EGR Valve Pintle Position Circuit Fault. This code is usually caused by carbon buildup in the EGR valve. The carbon deposits prevent the valve from closing completely. After removing the EGR valve, clean the pintle seat area of the valve and the corresponding passageway in the engine.Circuit Descriptions Of The GM EGR Valve. TEST 1: First Things First. TEST 2: Testing The Power (12 V) Circuit. TEST 3: 5 Volt Reference Circuit. TEST 4: Verifying The Ground Circuit. TEST 5: Verifying The EGR Signal. TEST 6: Checking For Carbon Blockage. TEST 7: Clogged Intake Manifold.If yes, bad fpr, injector leaky and fuel pump check valve could be culprit. P1406 is for the EGR valve. Different issue from fuel pressure drop. EGR or passages could be blocked by carbon buildup. Intake leak, injector and fpr leak can cause P0300 multiple misfire though. Idle will be unstable and rough.Replacing speakers in a vehicle is one of the simplest and most cost-effective ways of improving the sound in your car. The Chevrolet Colorado is a good candidate for speaker repla...1997 Chevy Camaro 6 cyl Two Wheel Drive Automatic Ok, What else can I replace or try to fix a Misfire Cyclinder 5. I replaced ICM, MSD coils, Plugs, (Ithium) and wires. And P1406 replaced EGR, all diagnoitic tests show its fine. Voltage, ECM and all other tests have been fine. Thanks, CharlieAn open in the EGR ignition filter circuit will cause DTC P1406 to be set after an extended period of time. 5. If DTC P1406 will only set under certain conditions, the fault may be intermittent; refer to DTC P1406 Diagnostic Aids. If an intermittent wiring problem is not present, check for a faulty connection at the PCM or the EGR valve.The DPFE voltage signal output to the PCM is directly proportional to the flow of exhaust gas entering the intake manifold. Code P1406 stands for Exhaust Gas Recirculation Position …Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Downstream hose is disconnected. Downstream hose is plugged (ice) Plugged or damaged Exhaust Gas Recirculation (EGR) tube. Faulty Differential Pressure Feedback Electronic (DPFE) sensor.P1406 Code on my 1997 Chevrolet Silverado 5.7L Vortec. asked Jul 14, 2017 by Jon. chevrolet; silverado; p1406; 0 votes. 2 answers 530 views. On my 1997 Chevrolet Camaro V6 what does P1406 code means? asked May 10, 2017 by anonymous. p1406; chevrolet; camaro; 0 votes. 1 answer 585 views. 1997 Buick Park Avenue, …Good afternoon.The P0300 is a misfire code and the P1406 is for the pintel position on the EGR valve.Since you replaced the EGR valve that code should have gone away.Try clearing the codes and see if that code comes up again.I am a little concerned about the compression.There should not be more than a 10% difference between any cylinders.You may have a valve problem or weak rings.Try doing a ...... code: M52 B20 (206S3), M52 B20 (206S4) Engine code: M52 B20 (206S3), M52 B20 (206S4) Engine code: M52 B25 (256S3), M52 B25 (256S4) Engine code: M52 B28 ...I Have a 2002 chevy 4x4 LB7 completely stock. I was getting a P0101 code took it to the dealer and they check the EGR valve said it was good and cleaned it and put it back on truck. They said injectors #1,#2 and #7 were bad. ... Chevrolet '16 2500HD 4WD LTZ CC D/A LML Deep Ocean Blue, HID lighting, otherwise stock. GMC '04 2500HD SLE CC D/A LB7 ...To diagnose the P1406 Isuzu code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.1996 Chevy Lumina - 1402 code (EGR Pintle position). Second replacement EGR valve is installed, $300 from NAPA. Still getting code. Car runs better when check engine light is on. ... The code I get is P1406. I have replaced the EGR Valve, had a B44 flush on the intake.SOURCE: wath P1406 Code means on a GMC jimmy 1996, It's an egr valve problem (exhaust gas return) egr position sensor. Take off the egr valve and turn it over and see if there is carbon build up in the ports, if there is clean it out with a pipe cleaner and a little carbon cleaner, just spray a little into the ports and clean it out.P1406 code means there is a problem with the EGR valve's pintle position. The EGR Valve's pintle could just be stuck in which case the problem could be fixed by cleaning the EGR valve. If the EGR valve is electronically controlled or cleaning the valve does not fix the problem, you will most likely have to replace the EGR Valve.A prevalent issue with the Chevy Avalanche is the P0446 code. This code corresponds to a specific number obtained when connecting your Avalanche to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Table of Contents Definition Symptoms Causes Diagnosis How to Fix P0446 Definition P0446 is a standard OBDII trouble code,Chevrolet OBD-II Diagnostic Trouble Code (DTC) P1406 Related TSBs. Home; Forum; My Car; ... The following TSBs of Chevrolet are related to DTC P1406. 1995 Chevrolet S-Series Cruise Control TSB Details ...About every 20 miles throw service engine light fir p1406 egr valve. Trouble shot new egr valve cleaned all ports took intake off cleaned it still throwing p1406. Answered in 34 minutes by: Chevy Mechanic: Joe Prestia. Joe Prestia. Category: Chevy. Satisfied Customers: 1,227.A P1400 code is a manufacturer specific trouble code related , 13071 posts · Joined 2008. #5 · Jan 8, 2021. earlier I looked up the, New Update at bottom of threadSo I fixed the EGR code by cleaning EGR and al, 1996 chevy c1500 with v6. Chevy Mechanic: goodwrench9124. Ok, code P1406 is a egr code. DTC P1406. The VCM const, the GM OBD II code P1406 points to your EGR valve. have it replaced Read, Code p1406 is an EGR code but that has nothing to do with the light not working. Some one has pr, blue8135. 688 posts · Joined 2009. #7 · May 18, 2013. Pcv would cause the oily residue. B, My 1996 Chevy Lumina’s Service Engine Soon light i, A: The “p1406 code Chevy” refers to a specific diagno, 1996 Chevrolet k 1500 engine code p1406 egr brand new egr, To add coolant to a Chevy Malibu, dilute the coolant with equal parts, GM vehicles are equipped with internal computers that send signals for, 96 chevy c2500, can this cause the o2 sensors to show cod, The P1406 code specifically points to a fault in the D, Start and idle the engine for at least 2 minutes. DT, code p0300 and p1406 code p0300.. the check engine light is on i c, have chevy astro van 1996 with trouble code p1406. Subm, When the PCM detects an open circuit in the 'A' reference .