Question about 2002 Pontiac Grand Am
It sounds like a blown gasket on the intake manifold.
You see the over heating was the real problem and that was caused by the radiator and heater core being clogged Chevy has this problem.Then the intake manifold warps and starts sucking air in .This fools the computer and you have all kinds of other problems with performance .
Posted on May 29, 2017
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Posted on Jan 02, 2017
SOURCE: PO171 & PO440 2 times
My van is a 1999 pontiac montana and it sometimes is jerky and shifts real hard and other times it runs just fine, then the other day it started to back fire and run real bad . then it stopped. It has been jerky on and off for about a year any ideas?
Posted on Jul 04, 2008
SOURCE: radiator overheating
hey im having a problem with my 96 cirrus overheating. i think its the fans. they dont seem to turn on unless i let the hood drop, then they suddenly kick on. the fuse is good.. any ideas??
Posted on Jul 25, 2008
It is probably the problem. To make shure that need to change the gaskets, one of the symptoms use to be thet the temp rises when you are running at speed 50+ average, where is supposed that the car gets a lot of air due by the speed and nobody thinks that will be overheated.
Posted on Nov 19, 2008
When you said that your heater is not working that may be a indicator that your heater core is not working...there are auto repair books that they sell at auto part stored like autozone and pepboys and they have a step by step guide to fixing your car they are about $20 where i live
Posted on Mar 14, 2009
I had the same problem. My Chrysler LHS kept overheating. I had the thermostat changed out first and it didn't help. Then I had the water pump changed out and still did no good. Then changed out the radiator, still overheated. Come to find out the people that changed my thermostat put it in backwards. Evidently, the thermostats for these cars look different from all the others and people are not sure how to put them in. I took mine to a Chrysler dealer and they fixed it for me.
Posted on Apr 15, 2009
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