Question about 1990 Chevrolet Lumina
I replaced speedometer rpm panel and throttle body because rpm was in the red and speedometer registered 60-80. Then it started to stall when first starting. Now it starts chugging and shaking after I have been driving it for about 15 minutes.
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Posted on Jan 02, 2017
SOURCE: suburban stalls while driving
a bad crank sensor can cause this. shuts off while going down road, and will start about 10 min, later with no problems runs fine until it quits again. hope this helps,
Posted on Oct 07, 2009
Sounds like an electronic that controls ignition or fuel is getting heat soaked and failing intermittently. The ignition module would be where i look first. You could try locating it, starting the engine and using a blow dryer, heating it up. If it stalls once it gets hot from the blow dryer you've found the culprit.
Posted on Jun 19, 2010
you have a fuel pump relay that may be defective, or fuel pump or maybe the crank position sensor,a cam position sensor.the best thing is to have a scan performed with an obd1 scanner and you will know where to start the repair.
Posted on Dec 05, 2011
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Jun 08, 2013 | 1990 Chevrolet C1500
The engine and transmission in this cars drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL THE DIAGNOSIS & TESTING IS COMPLETED.
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