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2001 GMC Jimmy misfire - Jimmy GMC Cars & Trucks

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Most misfires are from injector problems /low fuel pressure problems
unless you can be more specific , clean/check injectors
check fuel pressure
check coil packs if individual coils

Posted on Dec 13, 2016

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2001 gmc jimmy engine warm but heater blows cold air

Disconnect the heater hoses from the water pump and the intake manifold. Get a compressor and blow out the hose (put the air hose into the the hose that came off the mainfold. then flush the system and replace the antifreeze.

Posted on Dec 12, 2008

picatudo
  • 239 Answers

SOURCE: 2001 gmc jimmy defroster-heater blower will not direct heat

you have a vacuum leak

Posted on Jan 07, 2009

csmock132
  • 4669 Answers

SOURCE: low pressure knob for gmc jimmy 2001

It is on the accumulator. Passenger side near the air box. The silver can.

Posted on Apr 21, 2010

  • 450 Answers

SOURCE: my cylinder is misfiring on my 2000 gmc jimmy

replace fuel filter, air filter, spark plugs, wires, distributor cap /rotor, if you have one. new oil with your filter ? just thought I'd ask, have a auto parts store pull code to see why your service engine soon light is on. this will tell you what sensor needs replaced, I'll bet its the oxygen sensor !

Posted on Feb 23, 2013

  • 16210 Answers

SOURCE: Starting issue in a 2001 gmc jimmy 4x4

MY opinion is the fuel pump pressure is low and allowing vapor in the lines that dissapates over time. But when you make short trips the fuel does not let the vapor out.

Posted on Dec 08, 2013

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1 Answer

What causes my 2000 GMC jimmy envoy 4.3liter vortex to misfire when fueling?


misfire when fueling ???? You leave the vehicle running while fueling ?

Apr 05, 2017 | 2000 GMC Jimmy

1 Answer

2001 GMC Jimmy steady missfire, what could be possible problems


If you have totally and completely confirmed electrical fire spark plug and wire sad part is it could be a valve or injector

Dec 19, 2015 | 2001 GMC Jimmy

1 Answer

2003 gmc jimmy on hills loses power check engine blinks then stalls upon restart performs great runs well on flats and even not steep hills .


when engine light blink it is only one thing.......misfire you could have P0300,P0301 and so on
P0300 is multiple misfire
P0301 is cylinder no 1 misfire,the last number tell you the no cylinder
hope it helps

Mar 24, 2014 | 1995 GMC Jimmy

1 Answer

2001 gmc jimmy po171 lean bank code what could be the fix is it a possable o2 sensor


More than likely bank 1 sensor has a possible vacuum leak, or a lean misfire on that side of the bank.(lean misfire happens when gap of spark plug are exceed due to wear), As for the 02 sensor I agree that it is reporting the true engine condition on that side of the bank

May 01, 2011 | 2001 GMC Jimmy

1 Answer

I have a misfire on cylinder number 1 on a gmc jimmy 1997 i would to know how to fix it


the misfire could be caused by many things but the most common thing would be a bad spark plug wire.

Feb 02, 2011 | 1998 GMC Jimmy

1 Answer

Cylinder 6 misfire. code P0306 1999 gmc jimmy, still have 150 pounds of pressure coming out.


Compression is not the issue
The OBD2 Code ,indicates you have a misfire on cylinder #6 (PO306)

Oct 18, 2010 | 1999 GMC Jimmy

2 Answers

Why does my 1995 GMC Jimmy shake when Idling?


possibly misfiring or idle set too low. Is there any white smoke coming out of the tailpipe ?

Jun 05, 2010 | 1995 GMC Jimmy

1 Answer

Rough idle, scanner says multi cylinder misfire and vac at ign fail


The Misfire is your Rough Idle check Coil Pecks & Spark Plug Wires

Dec 09, 2009 | 2001 GMC Jimmy

1 Answer

I have a 2001 GMC Jimmy and a computer check has


if it was me i would give these guys a call and talk to them they sells only GM-parts its Schram auto & truck parts 1800-292-1032 and they website is www.schramauto.com and maybe they can help you narrow it down good luck Michigan Man.

May 09, 2009 | 2001 GMC Jimmy

1 Answer

2000 gmc Jimmy misfiring


change fuel filter ,have inject. system cleaned

Mar 11, 2009 | 2000 GMC Jimmy

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