1991 GMC Sonoma "car idle funny" Questions

Ad

Question about GMC Sonoma

1 Answer

...funny{high} sounds like there is a vacuum leak, a vacuum leak will cause your engine to run lean, that may cause your idle speed to increase, , check the vacuum line that goes from the rear of the ...

Ad

Question about GMC Sonoma

1 Answer

...funny but bang on your fuel tank. make sure there is fuel in it.. does the vehicle have a security system? it might be malfunctioning..or does the vehicle stay running when you give it gas? it might ...

Ad

...funny when running the problem is intermitent idle air control.. throttle position sensor.. check current with a meter or have a parts store run a free diagnostic for a code the engine light isnt ...

...car was idling very funny. So concluded it might have been due to plugs so i replaced it again with ngk this time around. same problem. light still on and idling funny. had it plugged to a diagnostic ...

Question about GMC Sonoma

2 Answers

...idle funny and dying at stops. I had a diagnostic done on it and changed out the idle air control valve but it doent seem any different. and the check engine light is still throwing the same code. we ...

Question about GMC Sonoma

1 Answer

car start but at idle high but when the car in drive the idle drops to the point that the car wants to shut off. in some weather conditions the idle jumps up & down Could be that the timing marks were

2002 1.8T passat, idles funny in gear at a stop. my 2002 passat 1.8T with a auto tip tronix tranny idles very weird when in any gear and you come to a stop (like at a light). when put into N or P it ...

my honda idles funny the whole cars vibrates when idling I would try a plugs first. if that doesnt help plug wires. maybe even distibutor cap and rotor button. you can also have your idle adjusted.

Question about GMC Sonoma

1 Answer

...funny Car overheated when idling in a drive thru line sat night, coolant sprayed all over engine. Now when car is started, idles funny - low (around 1500 rpm) for about 3-4 secs to high (over 2k) for ...

idle very low when ac is on. Car has no power and a funny smell from the exhaust. With ac turned off idling is much better and more power PERHAPS A BAD CATALYTIC CONVERTER. CHECK ENGINE VACUUM AT IDLE

Not finding what you are looking for?
1991 GMC Sonoma Logo

343 questions posted

Ask a Question

Usually answered in minutes!

Popular Products

1999 GMC Sonoma
1999 GMC Sonoma

403 Questions

1996 GMC Sonoma
1996 GMC Sonoma

359 Questions

1995 GMC Sonoma
1995 GMC Sonoma

270 Questions

1998 GMC Sonoma
1998 GMC Sonoma

269 Questions

1997 GMC Sonoma
1997 GMC Sonoma

249 Questions

Top GMC Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

john h

Level 3 Expert

29494 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

15088 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...