Question about 1998 GMC Sierra
350 motor,stalls at start up, after its been running for a while.
after several attemps it runs fine.
engine lite came on once and went back off
Check the Idle control valve. It is located at inside where the duct work from your aircleaner is connected. Take some brake cleaner or starter fluid and spary directly into the valve towards the fuel system. This valves get gunk on them and get dirty with oil and other stuff. If that does not work you can take off the valve with a little bit of work.And clean the holes with cleaner. While your at it, check your air filter. Make sure it is clean if not, replace it.
Posted on Dec 15, 2008
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Posted on Jan 02, 2017
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