i have a 2008 grand prix v6. when i start the car it idles up normal then the rpms immediately drop down low and lugs for a second or two and picks back up and idles fine. there are no other issues.

Asked by Sep 06, 2015 at 04:48 AM about the 2008 Pontiac Grand Prix Base

Question type: Maintenance & Repair

what can the problem be? i was told it may
be the maf sensor but im not sure and i
cant afford to change a bunch of sensors.

5 Answers

105,555

Its does sound like your MAF by what you are describing. You may want to clean the throttle boby with a good cleaner like CRC first...

105,555

https://www.google.com/url? sa=t&source=web&rct=j&url=http://m.youtube.c om/watch%3Fv%3DXrcaDh4xDLs&ved=0CB4Qt wIwAWoVChMI9pLlwJLixwIVRdIeCh1Bsg6w&u sg=AFQjCNHbgLW6ztFlQbu89BiMjcUHyxmVLw

1,405

if that doesn't work you might look at the iac

4,075

Stick with your original plan. Find the problem, then fix it. That will save you money by not randomly buying parts and hoping the problem goes away. have the trouble codes read on your car. There will be information stored in your car's computer which will tell you what is wrong.

1,405

you can clean the iac and intake passage reset the iac also no code for iac

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