Spark plug Problems - Chevy Colorado & GMC Canyon
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post #1 of 17 (permalink) Old 08-22-2008, 03:14 PM Thread Starter
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Spark plug Problems

can anyone tell me where the spark plug is located on a colorado??
is it on the left or right side and how far down is it?
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post #2 of 17 (permalink) Old 08-22-2008, 03:24 PM
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Re: Spark plug Problems

They're on the top ( It's an Inline engine not a V ) and they are under the big black box on the top that says Vortec (2700/2900/3500/3700).

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post #3 of 17 (permalink) Old 08-22-2008, 03:26 PM Thread Starter
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Re: Spark plug Problems

alright dude thanks.. would you know how much to gap them?
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post #4 of 17 (permalink) Old 08-22-2008, 03:29 PM
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Re: Spark plug Problems

Buy the AC Delco iridiums - they are pre-gapped. DO NOT try and gap iridium plugs - you'll screw them up.

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post #5 of 17 (permalink) Old 08-22-2008, 03:56 PM Thread Starter
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Re: Spark plug Problems

i dont have the pre gapped so do you know how much i need to gap them?
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post #6 of 17 (permalink) Old 08-22-2008, 09:58 PM
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Re: Spark plug Problems

Quote:
Originally Posted by thadbilliot
i dont have the pre gapped so do you know how much i need to gap them?
Your truck should have come from the factory with iridium plugs. If you are going to replace the plugs, get new iridiums (AC Delco, NGK, Denso).
They are pregapped, don't mess with them.

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post #7 of 17 (permalink) Old 08-22-2008, 11:44 PM
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Re: Spark plug Problems

Quote:
Originally Posted by thadbilliot
i dont have the pre gapped so do you know how much i need to gap them?
What the gap should be depends on the plug......but as others have said, the iridiums should come pregapped regardless of manufacturer, and if you didn't buy iridiums, take them back and get iridiums.

Question: If you haven't pulled the spark plugs, how do you know you have a spark plug problem?


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post #8 of 17 (permalink) Old 08-23-2008, 04:43 AM
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Re: Spark plug Problems

If you have to gap your plugs chances are your puttin in cheap copper plugs or somethin. Get Iridiums or Platinums and be done with it.

Gap is .042 - .044"

Izzy 2005 Black CrewCab SS wannabe
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post #9 of 17 (permalink) Old 08-24-2008, 11:05 PM Thread Starter
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Re: Spark plug Problems

well i changed my spark plug out and thats not the problem.. i know its not the coil cause that was changed out too so i wonder what else it could be??

if anyone knows let me know
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post #10 of 17 (permalink) Old 08-25-2008, 01:52 AM
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Re: Spark plug Problems

Well that the feezy are your symptoms? Did i miss that somewhere or what? All you asked for was spark plug info.

Izzy 2005 Black CrewCab SS wannabe
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