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1992 GMC Suburban - Page 5 Questions & Answers
2001. Why is left front turn signal not working?
Verify that its the proper lamp #. I have seen lamps that look the same but are not. Also the socket might be dirty. remove the bulb and spritz some wd40 or other lube in the hole and try again.
What is the engine oil
4quarts if you replace just the oil, a little less than 5 quarts if you replace the oil and filter.
What causes a Chevy Suburban to develop a RPM pulsate at 2000 RPM in overdrive?
you might not have a problem . TCC solenoid.torque converter clutch.it is Inside the torque converter there is a clutch to stop the slip about 500rpm . you can check it by like 90kmh steady then with other foot just touch the brake pedal no braking just a little bit you will feel release and push again this is the tcc applied and it,s normal behavior
1990 suburban dies when warm
You obviously have to replace a worn out
& melted or broken cat, before you can diagnose
anything
If the cat is bad you got no fuel control,so the cat goes,
as well as the oxygen sensor
Odds are the timing chain gears are worn & it jumped time
You may have vacuum leaks
1990 doesn't have a carb it has a throttle body !
So you check test the tps sensor & it's adjustment,if any
You test the cts,ats,& map sensors
Air --In---Air--Out---not with a blocked cat,thus most
of your problem,maybe a clogged gas filter as well
99 weak crank,getting fuel and spark wont start
Fully charge the battery. Have a load test done on the battery because if it has a failing cell /flat there will not be enough current to run the starter and the ignition system at the same time.
Getting spark fuel but won t start
If it is a fuel line you would smell and see gas drip where you park most likely, unless it is up over frame and drying prior to hitting the ground which is possible. Smell gas while parked? Get up under it and look for wet spots on fuel line. Are you getting fuel through line? Pull from under hood and check pressure.
Gas in oil
Thinking fuel pressure regulator,it has a vacuum line connected to it,if the regulator diaphram ruptures it vacuum pulls raw fuel into the line.
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