Question about 1994 GMC Jimmy

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Spark plug gap for 1994 gmc jimmy 4.3 vortec engine

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Posted on Jan 02, 2017


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I have 1999 GMC Jimmy. It had the 4.3 Vortec in it, would I be able to it out with 4.3 Vortec in a 1994 GMC Jimmy.

The engine will match up but the sensor plugs may not so you may have to swap the sensors between the engines.

Sep 25, 2016 | 1999 GMC Jimmy

1 Answer

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Why won't it rev?

1997 GMC Jimmy 4.3 L Vortec - Discussion on Topix > General Motors
Aug 17, 2009 - I have a 1994 S10 Blazer with 4.3 Vortec. ... Sometimes runs fine, or it barely moves and won't get out of it's own way all the .... Can rev up, dies. 1994 Silverado 5.7L TBI Engine Missing/Surging/Sputtering ...
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Jan 04, 2016 | 1994 GMC Jimmy

1 Answer

1994 jimmy push button 4x4 wont engage

Could be the servo on the front diff not activating. Could be a power prob or failed unit.

Jan 15, 2013 | 1994 GMC Jimmy

1 Answer

What is the spark plug gap setting for a 1994 gmc safari 4.3L

The gap for the spark plugs for engine ID code W is 0.045

The gap for the spark plugs for engine ID code Z is 0.035

Sep 13, 2010 | 1994 GMC Safari

2 Answers

Looking for firing for 1994 jimmy has a 4.3 vortec egine

1994 GMC S15/T15 Jimmy 4.3 liter V-6 VIN "W"
1994 GMC S15/T15 Jimmy 4.3 liter V-6 VIN "Z"


Good luck (remember rated this).

May 31, 2010 | 1994 GMC Jimmy

1 Answer

Best Spark plugs for a 1993 GMC Jimmy SLE Vortec V6 - Fuel Economy help!

AC 41803 Drivetrain:Four Wheel Drive;
@Gap .045" This is a Platinum High Performance Spark PLug

Option : ASP AR25
@Gap .045"@ High Performance

Stay away from those Gimmick Spark Plugs , they are just more money for nothing. A good platinum spark plug is all you need, the key is to gap it correctly to your application...

On GM products Vin # W it is .045 plug gap
On Gm products Vin # Z it is .035 plug gap

You will not have huge gains in fuel mileage from replacing spark plugs except to say that if your old ones are just extremely bad, there is no magical spark plug with extra mileage manufactured into it.... Hope this helps...

Aug 24, 2009 | 1999 GMC Jimmy

1 Answer

Rough idle(rich) stalls in gear

Basically clean up before use like opening the plugs and adjusting the spark gaps, spray some carb cleaner at the intake & if The soud of the engine smoothens even slightly, then add some it to the fuel in the fuel filter & gun the engine a few time. Flush the radiator and fill in frsh coolant/water. Check the level of water in the battery and top up with distilled water. Clean the air filter and check fan belt tightness. After these small maintenace checks it should run OK.......sodeep

Aug 07, 2009 | 1993 GMC Jimmy

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