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#1
11-03-2004, 07:08 PM
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Warm startup and power surge problems
I have a '99 Silverado 5.3L automatic. It's been suggested a number of times that warm start up problems can be caused by a bad fuel pressure regulator. I've had that problem for awhile. But lately, I'll get an unexpected power surge that lasts less than a second. It's happened three times while I've been waiting at a stoplight. If I didn't have my (right) foot on the brake pedal, I probably would have run into the back of the car in front of me. Is this also an indicator that I have a bad FPR? I had my jets cleaned and a new filter installed, so I don't that's the problem. Any suggestions? Thanks.
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John K. 
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#2
11-03-2004, 07:11 PM
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I had that exact problem for over a year. It ended up being the fuel pressure regulator and a clogged fuel filter.
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*Under Construction - New sig to debut*
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#3
11-03-2004, 08:44 PM
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Thanks for confirming what I suspected.
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John K.
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#4
11-03-2004, 08:56 PM
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I had a similar problem in my Corsica that was a bad TPS. Cant hurt to get that checked as well.
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#5
11-03-2004, 09:01 PM
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What's a TPS?
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John K.
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#6
11-03-2004, 09:22 PM
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Never mind, I got it...Throttle Position Sensor.
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John K.
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