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2000 gmc Sierra misfiring cylinders 1,3,5 - 2000 GMC Sierra

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 328 Answers

SOURCE: misfire #4 cylinder 1999 gmc sierra 5.7 lt

Are you talking about the check engine light? If so it needs to be reset with a code reader. then if it re illuminates you still have an issue.

Posted on Feb 16, 2009

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MNfisherman
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SOURCE: how 2 remove blower motor on 2000 gmc sierra

you will see the motor on firewall. Should have 3 bolts to remove. Remove bolts and seal.

Posted on May 22, 2009

  • 462 Answers

SOURCE: Error codes appeared on 2003 GMC Yukon PO170

Check the intake manifold gaskets for leakage. It will tend to run rougher in the morning when it is cold. Check for vacuum leaks on any hose connected to the intake plenum too.

Posted on Dec 13, 2009

  • 538 Answers

SOURCE: how do you replace left front unitized bearing on

You have to remove the wheel and the brake caliper. If it has antilock brakes disconnect the antilock break sensor wire up by the frame and get the wire free form the holders. Remove the big nut on the end of the axel shaft with a 1-3/8 inch socket, now turn the steering all the way to the left and losen the two bolts behind the hub with good 18MM socket. They are usually very tight be carefull not to round the head of the bolts use a good quality 6 point socket. Turn the bolts out about 6-8 turns and stop now turn the steering all the way to right do the same with the other two bolts. Now, take a air hammer with a punch end in it and hammer on the heads of the bolts, a little at time, on all the bolts, evenly until the hub is loose. If you don't have a air hammer a hammer and punch or drift will work. Then remove the bolts the rest of the way and pull the assembly off. Now you have to drive the wheel studs out and remove the rotor. I just described it on 3/4 ton a 1/2 ton might be easier but the principle is the same, I think there are only 3 bolts holding the hub on and the bolt sizes may differ. Also I think you can pull the rotor right off once caliper is out of the way. Sorry about that.

Posted on Dec 14, 2009

  • 1244 Answers

SOURCE: Dash lights flicker in a 2000 GMC Sierra

yep bad ground in the dash

Posted on Jan 14, 2010

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I have an 01 gmc sierra 2500 hd with a po308 code


Cylinder 8 Misfire Detected pcm find a misfire on cylinder 8

hope it helps

Oct 02, 2014 | 2001 GMC Sierra 2500HD

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GMC Sierra Code P0300 Check engine light


GMC Sierra with the code P0300 Q: I have the 2003 GMC Sierra with the code P0300. What could be the problem? A: The code P0300 means "Random Cylinder Misfire". This means that the engine computer has detected that one or more of the cylinders misfire randomly. This code could take some time to diagnose, as there could be a wide range of reasons for the engine cylinders to misfire. Here are just a few examples: bad spark plugs, ignition wires, distributor cap/rotor, bad fuel injectors, bad airflow sensor, broken or weak valve spring, leaking valve, low fuel pressure, manifold gasket leak, clogged catalytic converter, etc. Take your truck to a knowledgeable mechanic and have it check out - driving with the misfiring engine can damage your catalytic converter.
The mechanic can scan the engine computer with the scan tool and see the conditions when the misfire happens and check which cylinders are misfiring. A number of of other things will need to be checked to find the cause (e.g vacuum leaks, exhaust back-pressure, compression, etc.).

on Dec 07, 2009 | GMC Sierra Cars & Trucks

1 Answer

2002 GMC Sierra engine misfire


DOES THIS VEHICLE USE COIL PACKS? MOST LIKELY (3.)....1 THAT FEEDS CYLINDERS 1&5 ....1 FOR 2&3 AND 1 FOR 4 AND 6......OR SOMETHING SIMILAR TO THAT. CHECK FOR A BAD COIL THAT FEEDS 4 & 6 TRACE PLUG WIRES TO INSURE THAT SAID COIL FEEDS #'S 4 & 6

Dec 20, 2013 | GMC Sierra 1500 Cars & Trucks

1 Answer

2000 GMC Sierra w/4.3 misfire on #2,4 cylinders


If it were low fuel pressure misfire , it wouldn't be cylinder specific misfire #2 , 4 it would be P0300 random misfire . I would think fuel injector's too . When hot they could be breaking down electrically , more resistance . If they tested electrically with a lab scope they would know for sure . Misfire from sticking fuel injector no fuel misfire

Mar 26, 2017 | 2000 GMC Sierra

1 Answer

Need to locate number 5 cyclinder bank for replacement. 2000 GMC Sierra 5.3 litre V8


number 5 cylinder is located on drivers side 3rd one back. right side 2 4 6 8, drivers side 1 3 5 7

Sep 18, 2009 | 2000 GMC Sierra

1 Answer

Misfire on cyclinder


I would check the fuel injector on number 2 cylinder. If the injecter is dirty or not functioning properly it may give you the symptom of an ignition misfire.

Aug 13, 2009 | 2000 GMC New Sierra 1500

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