Question about 1998 GMC Jimmy
Sparkplug #5 pulled and found not fuel getting to site.
injector changed on #5 and still engine light comes on with same issue re no fuel getting to site.
-engine is a 4.3
-in the last 2 months the following has been done to deal with this ongoing issue;
-sensor-safe GKT MK Int. manifold Gasket
-ignition distributor replaced
-spark plugs replaced
-sensors checked , and replaced that we new of
-electrical wiring checked
-reprogrammed the ECM
-brake switch replaced
-Seems that whatever the issue is it seems to be affecting multiple areas
- at an accellerated speed on an incline, as the engine needs to shift for the third time to maintain a speed of 80 on a drawn out hill, the engine light comes on and then power is lost slowly due to the fuel shut down.
Presently engine light came on again with the same diagnostic issue.
TRY YOUR FEUL REGULATOR IT CAUSES MOST OF THESE PROBLEMS
Posted on May 27, 2010
Testimonial: "Our thoughts were the same even though one of our mechanics did check the pressure on the fuel lines , etc. etc., we think it might be a lemon fuel regulator right from the factory. Thankyou for comfirming my thoughts on replacing the fuel regulator."
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Posted on Jan 02, 2017
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