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#1
05-12-2005, 11:35 AM
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99 Suburban hesitation
My 99 Suburban hesitates when you take off. The fuel pump was replaced a few months ago and I just replaced the fuel filter. But It still acts like it can't get enough gas. Power is low and so is the fuel economy. Once you are going it seems to run fine except for the low power. When you step on it to pass it acts like it doesnt want to wind up and the tranny wont shift up until the engine gets more RPMs. It has 97,000 on it and has never had a tune up. Any suggestions
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#2
05-12-2005, 09:42 PM
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Re: 99 Suburban hesitation
If your vehicle has 97,000 miles on it, then it is probably time to change the spark plugs.I believe that GM recommends to change platinum plugs at 100,000 miles.This is where I would start.
chuck's
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#3
05-25-2005, 08:02 PM
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hesitation answer
The answer to the one question of "why does my 99 suburban still hesitate after changeing the plugs,fuel pump and fuel filter" is... the MAF sensor was bad. No warning lights. Just power loss and really poor gas mileage as well as hesitation when power is applied. I just got my truck back from the dealer and it is fixed!! I hope this helps others. This is a great forum, thanks to all of you.
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#5
10-14-2008, 10:18 PM
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Re: 99 Suburban hesitation
Please check the date of the last post in the thread and do not respond if that date is longer than 3 months from the current date.
From AF's Community Guidelines: POSTING IN CLOSED OR OUTDATED THREADS: If a thread has been closed, there is probably a logical reason for it. If you feel that the reason(s) for closure of the original thread are unjustified or wish further clarification feel free to contact any member of the moderating team. However, do not start a new thread about another closed thread. Please avoid posting or voting in outdated threads. It merely clutters up the message board and makes it more difficult for fellow members to sort through the vast amount of information contained on the boards. If you have new and important information to add regarding a past discussion, feel free to start a new thread and if need be, add a link to the original thread. The link to these guidelines can be found here:http://www.automotiveforums.com/vbul...uidelines.html Closed.
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