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2007 chevy impala p420 engine code - Impala Chevrolet Cars & Trucks

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That is a low efficency bank 1 catalyst code, basically you need a new catalytic convertor

Posted on Jan 17, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: 2007 Chevy Impala LT stock stereo

pop out the center trim piece with a flat head screwdriver. Center dash piece may be brushed aluminum or wood grain depending on trim level. It should pop out easily working all the way around it. Then radio is held in with 7mm screws.

Posted on Sep 25, 2008

  • 1 Answer

SOURCE: Chevy impala diagnostic code PO742

i have the same problem, what can i do to fix it?

Posted on Jan 18, 2009

  • 202 Answers

SOURCE: Reset my engine oil low in 2007 chevy impala

it will say in your owners manual but i believe you turn your ignition key to the run position not the start. and pump the gas pedal 3 times with in 5 seconds

Posted on Apr 14, 2009

yankstorm02
  • 145 Answers

SOURCE: check engine light on

You cannot reset the check engine light any other way than using a scan tool. Some auto parts stores will scan the vehicle for free then at least you will know the area of the fault.

Posted on May 07, 2009

johnjohn2
  • 5763 Answers

SOURCE: Chevy Impala 2001 w/ 3.8L engine - EGR stuck open

there are a couple of things, first make sure there are not restriction in the exhaust, i know the dealer has had to replace converters under warranty because of this problem, then theres a reflesh program for the computer due to this problem, and lastly,run with egr off make sure it clean of carbon,carbon gets stuck in pintle sets check eng lightbut carbon then blows by so when you remove egr you see nothing, well start with these good luck.

Posted on Nov 28, 2009

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04 chevy trailblazer Reduced engine power


You have a problem with the electronic throttle control . You need to have it checked for codes , could be a few different thing's Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516... P2138 APPS Accelerator Pedal Position Sensor Fix 3 5L Chevrolet Impala Lot's of codes for this , Drive by Wire Function and diagnostics by Wells


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What are the probable causes of DTC P0449?


P0449 - OBD-Codes.com

www.obd-codes.com/p0449
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I have a 2007 chevy impala, my engine code is reading p2a01 im wondering where exactly the location of this 02 sensor is?


I don't know what p2a01 is, but the O2 sensors are in the exhaust pipe before and after the catalytic converter.

Nov 23, 2015 | 2007 Chevrolet Chevrolet Impala LT

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Need a diagram for routing a serpintine belt for a 2007 chevy impala lt with 3.5 L 3500


there is a decal under the hood/engine compartment somewhere that the factory puts on that shows you the belt routing.

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I have a 2007 CHevy Impala 3.5 lt engine. The engine light came on and we checked the codes and the code came up $7E8 and $7EA. we believe these are generic codes and the $ could be optional


7E8, 7EA. Cat failure.
- Check the health of catalytic converter.
- Check for cracks in muffler.
- Check air leaks.
- Check back pressure of the tail pipe.

Apr 25, 2014 | 2007 Chevrolet Impala LS Sedan New Cars

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Need diagram of 2007 3.5L CHEVY IMPALA FLEX FUEL ENGINE


My transmission went out on a 2007 Chevy Impala is it necessary to put a motor mount to complete transmission repair

Jan 24, 2012 | Cars & Trucks

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My 2007 chevy impala engine light is on. I got a new gas cap. Auto zone scanned and cleared the car. 2 days later, the light came on again. Any idea what's wrong?


If I had a code? and engine code (8th VIN number) Stay out of ottozone, they just sell parts that they think you need. gas caps are rarely bad.

Sep 15, 2011 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

1999 Chevy Metro 1.0 L OBDII CODE P420. NEW O2


The o2 is just reporting information,it did not mean that it was bad,there is either restriction,in the cat,or there is a contamination in the fuel,an additive might clear it up,maybe.

Jan 19, 2010 | 1999 Chevrolet Metro

2 Answers

Service Throttle Control


It sounds like these things are all related. When the a computer sees a problem in the Electronic throttle system, it will dissable traction control, and give the reduced engine power alert because the powertrain computer does not know the value of throttle postion.
Codes will need to be scanned in the computersto begin diagnosis.
TechJK

Jan 30, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

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