20 Most Recent 1994 GMC Sonoma Questions & Answers

Check bulbs first / fuse / backup switch/neutral safety switch.

1994 GMC Sonoma | Answered on Feb 11, 2019

No spark to the spark plugs or no fuel pressure . If the the starter spins the engine over fast enough it's not the battery . Doesn't sound like you know a whole lot about car's . Do yourself a favor an take it to a qualified repair shop . Before you buy alot of unneeded parts .

1994 GMC Sonoma | Answered on Aug 14, 2018

Fuel pump relay shorted?

1994 GMC Sonoma | Answered on May 28, 2018

do a compression test. sounds like a bad head gasket...white smoke??? does it smell sweet?

1994 GMC Sonoma | Answered on Oct 14, 2017

94 GMC Sonoma have fuel and fire but will not start replace rotor and spark plugs still will not fire and new feul filter and filter under can still no start any suggestions

1994 GMC Sonoma | Answered on Feb 19, 2017

If the drive house on the starter is cast iron it for a standard tranns and will not line up.Because the bell housings on automatic transmission is different.

1994 GMC Sonoma | Answered on Aug 19, 2016

is this when car is moving or just standing still and revving ? either way i would get it looked at ASAP as grinding noises aren't good and you could have serious damage , may just be a drive belt bearing or something much worse , would need to actually see vehicle to be more precise so get it to a mechanic

1994 GMC Sonoma | Answered on Jun 04, 2015

Oil in the coolant is usually an intake manifold gasket problem on these engines. If a head gasket failure the engine will normally overheat and give erratic temp guage readings. Make sure the oil level is full. Is the rattle noise coming from the engine? Some times the exhaust (converter) will fail and the catylist will seperate causing a rattle noise from the exhaust and plug it up giving a no power situation

1994 GMC Sonoma | Answered on May 23, 2015

Give this a shot make sure that the ground wire that connects to the engine and the fire wall did not burn into. If it did it will not charge may sound dumb but the engine must be grounded for the alternater to charge.

1994 GMC Sonoma | Answered on May 07, 2015

Depends on the connector configuration. If the connectors are the same, it should work but the tach won't.

1994 GMC Sonoma | Answered on Mar 29, 2015

The OEM ball joint is riveted into the upper control arm. There are two possible ways to replace the joint. You can purchase the entire upper control arm/ball joint assembly, which comes complete with the upper control arm bushings. This part costs about $150.00. You will also have to deal with the coil spring when replacing it this way. You can also buy just the ball joint for about $30.00. This will require that you drill out the rivets of the original ball joint and then bolt in the replacement with the bolts that are provided with it. The 2WD and 4WD versions are the same. See this link.


1994 GMC Sonoma | Answered on Mar 19, 2015

yea, if it's pressed in it may be cheaper to just get the whole upper control arm

1994 GMC Sonoma | Answered on Mar 18, 2015

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