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Pontiac Grand Prix 2007


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CarJunkie
New User

Dec 11, 2018, 5:02 PM

Post #1 of 4 (240 views)
Pontiac Grand Prix 2007 Sign In

Hi there,

So my check engine light came on today and my car started making this metal grinding/whining sound. I took it to a mechanic that ran the codes. Alot of codes came up, including these 2 discerning ones: p0116 and p1811. What they are telling is that something is stuck in the exhaust and if they can get it out/fix it, it may help with these discerning codes. They are also telling me that since I recently had some battery problems and needed to get the alternator replaced, that could also be the reason these codes are coming up. I guess what I'm asking is, could either of these explanations be the case...or is my transmission just fried and I should cut my losses. I am concerned that I am being gouged for money to fix things that wont make a difference with the main problem at the end of the day.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 11, 2018, 5:34 PM

Post #2 of 4 (234 views)
Re: Pontiac Grand Prix 2007 Sign In

What engine does this have?



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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.



CarJunkie
New User

Dec 11, 2018, 6:28 PM

Post #3 of 4 (230 views)
Re: Pontiac Grand Prix 2007 Sign In

A v6


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 11, 2018, 6:45 PM

Post #4 of 4 (226 views)
Re: Pontiac Grand Prix 2007 Sign In

You very likely have a transmission problem that needs to be looked at by a trans shop but first resolve the temp sensor issue because that can cause all kinds of engine problems.



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

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.







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