Top 20 1997 GMC Sonoma Questions & Answers

What engine ? 2.2 or 4.3 Security light lit on the instrument cluster ? Fuel injector's not being commanded on ! No Start Engine Cranks Okay Troubleshooting With Basic Tools No Power to...

possible problem head light relay or ground wires problem

Ignition switch wire connector.

I guess you have checked the trans fluid is up to full mark?

Check the shaft to the distributor for run out. (the shaft bushing is worn and it wobbles.)

Look on the cross member in the front of the radiator on the driver side and there should be a drawing there. Hope this helps.

Wiring? or hoses?

Your cam shaft is located inside of the engine block. To access the cam the accessories need to be removed from the front of the engine along with the water pump and the balancer to be able to remove the timing cover. You will also need to remove the intake and pushrods That is for a V-6, a 4 cylinder is much easier as you just need to remove the valve cover and the cam caps.

could be failed "U" joints , center bearing (if fitted) , pinion bearings

Well a pic say more than a thousands words

I had a problem similar to this and it was the EGR valve carbon buildup

Does it not crank or not start ?

Check the Crank Angel Sensor

I would check the crank angle sensor

Check for spark, if there is none it's possible the ignition module is bad, but that's a generic guess.

Dead cell n battery.. Or bad alternator

Most aircon system in any car usually has a sensor relay that the compressor will not continuously run if the thermostat are worn out ,if the clutch pack magnet wiring are grounded or worn out,if freon are low ,to find out which one is the problem go check the single wire connected to the clutch magnet right in front of the compressor where pulley and belt are located ,if you don't have a tester to find our that power are present all the time while. Using the aircon,you can bypass and hook another wire on it and hook it in the positive side of the battery ,while running the engine and aircon visually check the clutch magnet of the compressor if it will pop up ,if yes you have a worn out compressor magnet.

Under hood in auxiliary fuse control center

.060

if you have no clue...don't attempt it yourself