1998 GMC Suburban "lose gas mileage vehicle" Questions

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...gas mileage vehicle?  http://schematicsdiagram.blogspot.com/2011/12/how-to-increase-gas-mileage-on-2011.html ---------  How to Test and Replace Fuel ...

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Question about GMC Suburban

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...gas mileage, how to solve. Getting very poor gas mileage. is there a home quick fix? Take it to Autozone or Oreillys for a free scan. Several parts like a Throttle Position Sensor or Oxygen sensors ...

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Question about GMC Suburban

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...Gas mileage started declining (and continues), plus vehicle idles high in P/N, plus will stall out in gear sitting at red light. We can hear vacuum leak sound and my independant mechanic couldn't see ...

...in the system...you lose power and put strain on the vehicle to perform better and it gets loud and your gas mileage will get worse and worse...so fix it or have someone do it. it's 15mpg ...

...lose gas mileage as well. Do a compression check on the motor to make sure you don't have abnormally high compression or low compression on cylinders and use a bottle of gas treatment in your fuel to ...

Question about GMC Suburban

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...can also thicken your oil by adding an oil treatment, stabilizer or see what results you get with a thicker oil(ie.10-30w). One thing is for sure, you will probably lose gas mileage. Good

Question about GMC Suburban

1 Answer

...gas mileage not as pepe losees power luggish sounds like you could have a leak in air intake somewhere and the warm air is is not a friend to your engine. check that. I know some years had a recall ...

Question about GMC Suburban

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lose heart. There are some things you can do to help your Ford Expedition get better gas mileage. It won't get as good gas mileage as some other vehicles, but you can improve on what you already have.

Question about GMC Suburban

1 Answer

gas faster then I can put it in Hey there Gator, From Florida? I was on the left coast for a while, Tampa, Clearwater, St. Pete. Anyway, to biznis. As a fellow operator of a large vehicle, I feel your

Question about GMC Suburban

1 Answer

...gas. Sometimes loses power. What can be the problem Your rattle is coming from teh catalytic converter on your vehicle. Depending on the mileage, quality of fuel used, etc the catalytic converter can ...

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