Question about 1996 Pontiac Grand Am

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Engine light on 1996 grand am

The engine light on my grand am is on. i changed the egr valve and the light remains on. used somputer to turn off and ran about 6 miles and came back on

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  • sanzypanzy1 Feb 20, 2009

    the code that came up on the computer was 0401. also the sensor was changed and the pcv valve was changed.

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Maybe there a carbon build on the EGR tube which u need to clean it and i think its better for u to move the throtelbody to clean more

Posted on Mar 14, 2009

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E404 error code?


P0404 Dodge - Exhaust Gas Recirculation Position Sensor Performance Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control ?odule (EC?) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum ?odulator. Depending on the engine and driving conditions, the EC? will control the EGR Solenoid which will operate the EGR Vacuum ?odulator to regulate the opening and closing of the EGR Valve.
The EGR system on recently built vehicles uses a step motor to control the flow rate of EGR from exhaust manifold. This motor has four winding phases. It operates according to the output pulse signal of the EC?. Two windings are turned ON and OFF in sequence. Each time an ON pulse is issued, the valve opens or closes, changing the flow rate. When no change in the flow rate is needed, the EC? does not issue the pulse signal. ? certain voltage signal is issued so that the valve remains at that particular opening.

Jul 04, 2014 | 2006 Dodge Grand Caravan

1 Answer

I have a check engine light on. i replaced the egr valve but the problem remains


It could be a gas problem. Older cars are not suitable for the new gasoline blends with ethanol, so sometimes the computer will give out an incorrect reading and the light will come on

Mar 04, 2014 | 1996 Toyota Corolla

1 Answer

What does the check engine code p0406 mean on my dodge caravan with a 3.3L engine?


P0406 - Exhaust Gas Recirculation Sensor A Circuit High
An improper voltage signal is sent to ECM through the valve

Early Models : The EGR valve control the amount of exhaust gas routed to the intake manifold. Vacuum is applied to the EGR valve in response to the throttle opening. The vacuum control the movement of the taper valve connected to the vacuum diaphragm in the EGR valve.

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Late Models : The EGR volume control valve uses a step motor to control the flow rate of EGR from exhaust manifold. This motor has four winding phases. It operates according to the output pulse signal of the ECM. Two windings are turned ON and OFF in sequence. Each time an ON pulse is issued, the valve opens or closes, changing the flow rate. When no change in the flow rate is needed, the ECM does not issue the pulse signal. A certain voltage signal is issued so that the valve remains at that particular opening.

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Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

Possible causes
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Possible solution
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve


Hope helps (remember to rate and comment this answer).

Mar 31, 2011 | Dodge Caravan Cars & Trucks

2 Answers

Engin light #po406 2005 ram quad cab


P0406 - Exhaust Gas Recirculation Sensor A Circuit High

Early Models : The EGR valve control the amount of exhaust gas routed to the intake manifold. Vacuum is applied to the EGR valve in response to the throttle opening. The vacuum control the movement of the taper valve connected to the vacuum diaphragm in the EGR valve.

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Late Models : The EGR volume control valve uses a step motor to control the flow rate of EGR from exhaust manifold. This motor has four winding phases. It operates according to the output pulse signal of the ECM. Two windings are turned ON and OFF in sequence. Each time an ON pulse is issued, the valve opens or closes, changing the flow rate. When no change in the flow rate is needed, the ECM does not issue the pulse signal. A certain voltage signal is issued so that the valve remains at that particular opening.

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Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

Possible causes
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Possible solution
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve
When is the code detected?
- An improper voltage signal is sent to ECM through the valve


Hope helps.

Mar 06, 2011 | 2005 Dodge Ram

1 Answer

I got 96 chevy c2500 pickup, 5.7 vortec, engine light is on, it is giving the codes P0155, P0174 and P0300 which is a misfire, so How do i fine the misfire source and could the misfire causing the other...


Check your bank 2 plugs for colour (do they look hot like they running hot ). Check you EGR Exhaust Gas Recirculation valve (looks like a 80mm diameter spaceship with a vacuum line to the top of it) If this remains closed the engine runs very hot and causes misfire. Possible causes are EGR not opening are 1) perforated diaphragm 2) encrusted valve stem 3) clogged exhaust gas feed pipe. A quick check for function: run the engine and remove the vacuum tube. The engine note should change as the tube is connected and then disconnected. Also pushing on the underside of the EGR with your fingers to lift the diaphragm to open the valve should also result in change in engine note. If its not working just disassemble the EGR and clean with carb cleaning spray, also clean the exhaust gas feed pipe likewise.

May 04, 2010 | 1996 Chevrolet C2500

1 Answer

1996 buick century, I had a tune up and egr valve


Have an auto parts store check for the code. It is possible that you have a bad O2 sensor or your catalytic converter is clogged.

Apr 10, 2010 | 1996 Buick Century

3 Answers

Code P0401 EGR Insufficient Air flow detected - 2000 Toyota camry


how I change the EGR valve assist switch for toyota camry 2000

Jul 29, 2009 | 1996 Toyota Camry

2 Answers

Location of egr valve?


The EGR Valve and transducer is mounted near the throttle body. 42224993.gif

Visit http://autorepair.about.com/library/faqs/bl948e.htm


Rate this fixya.

May 27, 2009 | 1996 Dodge Grand Caravan

2 Answers

Malfuntion light coming on...egr valve may need replaced


the range from a simple sensor issue with no symptom except a check eng light to a rough idle with a light.

Mar 20, 2009 | 2005 Dodge Grand Caravan

2 Answers

SERVICE ENGINE LIGHT ON FAILED EMISSIONS


Yes, take it back. The might of replaced the Egr valve to turn off the light. Don't let them charge you for retesting it, that's why you took it in in the first place.

Mar 13, 2009 | 1996 Chevrolet Corsica

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