Question about 1993 GMC Sonoma Club
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Posted on Jan 02, 2017
SOURCE: 1993 GMC 1500 4x4 poor shifting
this may be due to a poor connection at the vehicle speed sensor on the transmission, pull the connector off the sensor and clean it with contact cleaner, if the problem persists replace the speed sensor. there are 2 diff ones here is a picture of the most common one for an auto trans.
Posted on Mar 26, 2009
Pull plug wire and install a philips screwdriver into the plug wire get it 1/4 inch away from a good ground and crank the engine over, is there spark? if so check that you have fuel pressure buy renting a fuel pressure test kit from schucks or auto zone and turn the Key to run position with the gage hooked up, it should read 50 PSI turn key off and wait 20 seconds should still have 20 PSI of fuel pressure, if no fuel pressure check fuel pump relay, then check fuse to pump. if you have a bad relay and are not getting fuel then check the oil pressure switch to see if you have oil pressure at the switch if no pressure then the oil pressure safety switch has died and needs to be replaced and should stark after replacing. If you have fuel then check the timing to see if you slipped timing belt.
Posted on Jun 12, 2009
SOURCE: ecm on 2000 sonoma s10
napa has them on the shelf re manufactured already for 150 to 200 dollars. best quality i have used in after market parts. always have problem with auto zone stuff so i don't even bother no more. good luck
Posted on Oct 08, 2009
Sadly, no. What has happened is that the tiny servo motor that moves the speedometer needle is failing. When I run into these we remove the dash assembly and send it out to be repaired, usually by a dealer although there are other companies that can do this too. Usually they replace all the servo motors and backlight bulbs during the repairs but make sure you ask if they do so just to be sure.
Posted on Jul 05, 2010
This is really common on the 03-06 Yukon instrument clusters. It's caused by failing stepper motors on the circuit board and can be repaired. Check out this page for more about it and how to get it fixed - Yukon instrument cluster repair
Posted on Sep 29, 2010
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