Q: Gmc sonoma 91, 5 speed i bought the truck and it ran fine now im havinh issues of it idling.
I have replaced the fuel pump, fuel injector, fuel pressure regulator, full time up, distributor cap, ignition coil, throttle position sensor, but I still have issues of it idling. My oil pressure gauge bounces from 0 to 80 rapidly then after about 5 minutes it drops to zero bounces to 25 then back to 0 and dies. My oil levels are fine, I have checked the dipstick religiously
My car has 173340 miles.
My car has a manual transmission.
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