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Help on trouble codes


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Dennyzinna
New User

Feb 26, 2017, 7:53 AM

Post #1 of 5 (390 views)
Help on trouble codes Sign In

2008 Chevy impala SS 5.3 V8 90,000 miles. I had two fault codes. Throttle/ pedal sensor a circuit range/ performance and oil pressure sensor. I have replaced the throttle pedal and oil pressure switch and cleared the codes. The check engine light still comes on and the codes return. How or what do I do to get them out of the ecm?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 26, 2017, 8:38 AM

Post #2 of 5 (374 views)
Re: Help on trouble codes Sign In

We need the actual code numbers, not descriptions.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Dennyzinna
New User

Feb 26, 2017, 9:30 AM

Post #3 of 5 (366 views)
Re: Help on trouble codes Sign In

Po121 is the code


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 26, 2017, 9:58 AM

Post #4 of 5 (364 views)
Re: Help on trouble codes Sign In

That's a TPS code. I have no idea why you would change a Pedal Position sensor.

It needs to be diagnosed further but you probably need a new throttle body.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



kev2
Veteran
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Feb 26, 2017, 10:54 AM

Post #5 of 5 (356 views)
Re: Help on trouble codes Sign In

   might want to visit your friendly chevy dealer -
the p0102 may be covered under policy 14582 - they will confirm checking the vin#
If the oil code is P0521 they will advise on that also PIP4786C
details help us help you and the actual codes are helpful.
Remember keep it stock keep it dependable.














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