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How many catarylic converters in an 2002 impala

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One on each exhaust heading to the muffler, usually...

v-8 has two, v-6 usually has two, 4 cyl one

Posted on Apr 08, 2015

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Posted on Jan 02, 2017

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1 Answer

2002 impala wont move in drive or reverse


check for a problem torque converter clutch servo/solenoid problem
make sure the park brake is released properly

Jan 29, 2016 | 2002 Chevrolet Impala

5 Answers

How many catalyric converters in 2002 impala


Here you go, depending upon the engine you have



many-catalyric-converters-in-2002-impala-3jbkngt4yxwgmkgwh44l4hok-1-0.gif

many-catalyric-converters-in-2002-impala-3jbkngt4yxwgmkgwh44l4hok-1-1.gif

Apr 08, 2015 | 2002 Chevrolet Impala

1 Answer

I have 2002 chevy impala changed the 02 sensor and it is still reading the same 02 sensor.


because its not the sensor.
its the plug for the sensor .the wires.or it
is the cataletic converter/exhaust system
i just replaced my exhaust on my 07 chevy malibu same o2 sensor issue p0420 or something like that ?!
replace the converter and youll be fine i still have my old sensors in there that gave me the code :)
there not saying there bad but that the cat is bad.

Mar 18, 2015 | 2002 Chevrolet Impala

1 Answer

I have a 2002 chevy impala I changed the 02 sensor and my check engine light is still on and reading the same 02 sensor


You should have a primary and secondary O2 sensor, upstream and downstream. Pre-Catalytic converter and Post-Catalytic converter.
Which one did you replace?

Mar 18, 2015 | 2002 Chevrolet Impala

1 Answer

I have a 2002 chevy impala with new plugs, fuel filter. it runs but cuts out and wont go over 30mph if you give it throttle in park then it wont go over 3000rpm and cuts out. any answers?


Hello, you need to check 2 things, make sure fuel pressure is in spec. at the most common problem with this issue, is a plugged up cat. converter

Jul 01, 2012 | 2002 Chevrolet Impala

1 Answer

Where is the location of the o2 sensor in a 2002 chevy impala 3.8l engine?


if you look on the back side of the engine closest to the firewall there will be one in the exhaust manifold. That one will be the bank 1 sensor 1 O2 sensor.

If you look under the car there will be one right after the catalytic converter. That will be the bank 1 sensor 2 O2 sensor

Jul 06, 2011 | 2002 Chevrolet Impala

1 Answer

2002 Impala with 85569 miles on it, AND IS NOT WANTING TO GO


I still believe its the torque converter. Sounds like its not building up torque,without torque you can't have speed. Sorry I took so long to get back had major sign on problems.

Feb 26, 2010 | 2002 Chevrolet Impala

1 Answer

2002 Impala - 3800 - 67,000 miles once car


have seen lots of plugged catalytic converters in these cars, causing these symptoms. have a back pressure test performed on the exhaust.

Dec 04, 2009 | 2000 Chevrolet Impala

3 Answers

2002 Impala 3.8l v6 major hesitation


Have someone do a back pressure test on you catalytic converter. I had the same problem and it turned out that my converter was almost completely plugged. I was also getting a check engine light indicating a misfire on cylinder 4. Once the converter was replaced, the problems went away.

Sep 08, 2008 | 2002 Chevrolet Impala

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