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03-10-2007, 07:27 PM
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#1 | |
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AF Newbie
Join Date: Dec 2004
Location: Minneota, Minnesota
Posts: 6
Thanks: 0
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What could be the problem?
I have a Chevrolet K1500 truck. It has the original 350 engine in it with a 150000 miles of it. I get about 11-12 miles per gallon with it right now and two years ago when I bought it, it got around 17 miles per gallon. Wondering if anyone would know why I am getting such bad gas mileage with it right now.
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03-11-2007, 06:34 AM
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#2 | |
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I know stuff
 
Join Date: Jul 2003
Location: somewhere in the dealer
Posts: 2,713
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Re: What could be the problem?
What year?
Extended idling, change in driving habits? When was the last time you had a tune,,,what type of plugs are you running?
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Why do you never have enough time or money to do the job right the first time, but enough time and money to do it again? Got all the certifications 25 years ASE Certified Master Technician GM WCT Yea..I work at a DEALERSHIP....got a problem with that? Want to diagnose cars like the Pros? FOR SALE: OTC Perception 2 channel Labscope (badged as a Matco Reality) This is my personal labscope that I use to diagnose waveforms, like new, comes with leads and training video PM Me for details |
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03-11-2007, 01:55 PM
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#3 | |
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AF -Advisor
Join Date: Aug 2005
Location: Cedar City, Utah
Posts: 806
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Re: What could be the problem?
Start with the stuff gmmerlin said and if that doesn't work then you may have a cat plugging up, have the back pressure tested.
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NO 4 N JUNK  1994 GMC K1500 XC 5.7L 2008 Chevy Impala LTZ |
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