Question about 1991 Chevrolet S-10

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I have 1991 gmc Sonoma 4.3 auto after it warms up and put it into gear it stalls

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  • Dennis Nickel Dec 02, 2012

    There are no vacuum leaks I changed iac valve and tbi off and cleaned it and same with egr valve, new plugs and wires, new cap and rotor but noticed the distributer has rust in it. I cleaned it as best I could. The fuel injectors are working fine..

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  • 44 Answers

Tourqe converter may be locked up. unplug harness from trams and see if it changes

Posted on Nov 12, 2013

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Posted on Jan 02, 2017

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SOURCE: start the car let it warm up drive around for 10

First place I'd look is the mass air flow sensor: remove and clean with a Qtip and carb cleaner. Its a bit delicate so be nice to it. After that, check idle air control to see if it's working properly. Of course, change filters (that's proper maintenence that should be done even when working properly) If after doing this stuff you still have a problem, get a manual and even if you can't access codes, there are specific tests you can do using a decent volt/ohmeter.
I think you got me going in the wrong direction with the trans thing. So, if it's shifting properly while going down the road, leave it alone for now.

Posted on Mar 11, 2009

  • 506 Answers

SOURCE: have 1991 k1500 that idles rough; slows almost to

Does the truck stay running when you depress the gas pedal slightly? If so I would maybe suggest checking the IAC or idle air controller. In some cases they can be cleaned however most cases they need to be replaced. Not sure if this is your problem, but it is a place to start.

Posted on Dec 24, 2009

  • 409 Answers

SOURCE: 1991 chev 5.0l,,truck stalls when put in gear

The torque converter clutch could be stuck, which would require transmission removal to repair.

Posted on Mar 26, 2010

  • 2 Answers

SOURCE: GMC 1991 2.8 Liter

The firing order for the 2.8 liter v6 engine is 123456. The number 1 cylinder is located on the left side and goes like this: Left side is 1,3,5. Right side is 2,4,6. The firing order on the distributor is clockwise and number one is located at the 7 o'clock position.

Posted on Oct 01, 2011

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2.8l. How do I disassemble the fuse panel?


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Dec 12, 2015 | 1991 GMC Sonoma

1 Answer

On a 92 Chevrolet s10 c/k 4.3litre TBI fuel injection pickup,,what can be causing loss of power wenpressing on gas? Otherwise,it run great.


Chevy S10 - GMC S15 and Sonoma Stalling/Dying Problems - Car ...

forums.edmunds.com > Chevrolet > Chevrolet S-10
Dec 15, 2007 - 30 posts - ‎22 authors please someone..i need help.i have 1992 gmc sonoma 4.3 6 cyl 2wd .... I have a 2001chevy s10 4.3 4wd auto, it runs good until it's warmed up, then once it's ... the gas pedal causes bouncing on the tachometer and loss of power. ... when driving at a steady speed if I try to accelerate the engine tries to die

Sep 24, 2015 | Chevrolet Cars & Trucks

1 Answer

Where is the computer or brain box on my 1991 GMC Sonoma 4.3?


Should be under the passenger side dash.Silver square box with3-4 plugs.

Sep 07, 2015 | 1991 GMC Sonoma

1 Answer

Whate type of fluid does a 1991 gmc sanoma 2.8 liter 5 speed take for transmission


i have a 1992 gmc sonoma with a 2.8liter engine with a 5speed manual trans. does it uses atf or gear oil if it uses atf what kind?

May 08, 2012 | 1991 GMC Sonoma

1 Answer

I need Firing sequence for 1991 GMC Sonoma 4.3 liter 6 cylnder


Firing order for a 1991 GMC Sonoma 4.3 liter v-6 is 1-6-5-4-3-2.

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The number one plug is the first one facing you on the right and the last plug to fire is the first one facing you on the left. The rotor button spins counter clockwise.

Hope this helps (remeber to rate and comment this answer).

Sep 20, 2011 | 1991 GMC Sonoma

1 Answer

91 gmc sonoma wont shift out of first gear


on first gear it shifts rough it likes gives u a jump and after that it shifts good couldit be the pumpkin

Feb 06, 2011 | 1991 GMC Sonoma

1 Answer

My 91 sonoma grinds when i put in gear


check the slave cylinder for low fluid

Jul 30, 2010 | 1991 GMC Sonoma

1 Answer

My 1991 sonoma 2wd auto will only has low gear and reverse. Trans fluid looks ok. What could the problem be.


You broke the low one way clutch. The trans will need rebuilt. The truck should be drivable if you take off in Man 1, shift to Man 2 at about 12mph, then shift to drive at about 27, then shift into overdrive at about 42.

Jul 18, 2010 | 1991 GMC Sonoma

1 Answer

We have a 2001 GMC Sonoma c3. Vehicle will stall once in awhile when it is warmed up


A dab more info?
Mileage
4-cylinder?
Air
Automatic
Any other symptoms?
Stall when moving, accelerating,stopped or what?

Aug 01, 2008 | 2001 GMC Sonoma Extended Cab

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