Question about 2008 Pontiac G5
You may need to go to a GM dealer. Their computers are a little more accurate than most mechanics. They are also familiar with your car and may have seen it before.
Posted on Apr 25, 2015
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Posted on Jan 02, 2017
SOURCE: Engine sporadically stalls
Mr Delio I asume that your car is piece of sheet because mine has the same problem.
Pehaps going at low RPM the inyection system do not work propely due to the need of clean the inside car. Lets consider that at low RPM for a short time the inyection can be block out.
On the other hand may be could be a condenser that lost its energy for a while.
I f you need futher assistance just pay for it.
Posted on Aug 15, 2008
Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Nov 28, 2008
I have a 1997 Ford Explorer with same exact problem. Even worse, my engine revvs so forcibly, that the truck moved forward and struck another vehicles.
You need to replace the oxygen sensor annually. My mechanic informed me that this problem is inherently prevalent in Fords.
Hopes this helps?
Posted on Aug 07, 2009
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