Question about 2006 Chevrolet Malibu

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Egr flow plobrem. how do i narrow it down. getting poor gas miliage, rough start

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Replace egr. They can carbon up and not seal when closed causing a vacuum leak making it hard to start ect.

Posted on Oct 17, 2013

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You need to go to advanced or auto zone get a free read on your vehicle ,,it may be more simple than you think once you have them read it ...sounds like ignition problems ..Change your spark plugs

Posted on Oct 17, 2013

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Why is codes p2106 p0401 on?


P2106 THROTTLE ACTUATOR CONTROL SYSTEM,-PO401-EGR INSUFFICIENT FLOW

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Grand carvan gives p402 code


This is not a cut and dry fault code. This means that more than one thing wrong can set the code in the computers memory. Here is the low down on the P0402 fault code. This is from the OBD2 fault code diagnostic book.

P0402 - Exhaust Gas Recirculation Flow Excessive Detected
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible engine hesitation
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- EGR solenoid valve circuit poor electrical connection
- EGR volume control valve stuck closed
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My 2006 escape 3.0 idles rough but seems to run smooth down the road.engine light is on and shows code po402 excessive egr flow. engine starts fine when cold, but cranks for about 10 seconds unless you...


P0402 Exhaust Gas Recirculation Flow Excessive Detected A code P0402 most likely means one or more of the following has happened:
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  • There is a blockage in the EGR (most likely carbon buildup)
  • The EGR valve is faulty
  • The EGR valve may not be opening due to a lack of vacuum
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Try cleaning the EGR valve first



electronic Tempture Control
ECT sensor
symptoms
Potential Symptoms

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