- #569 of 580
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sorry
by tommyr43
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Oct 17, 2009 (11:29 am)
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It's a 1999 Chevy Tahoe 4WD with a 6.5 Turbo Diesel . . .
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- #570 of 580
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Re: sorry [tommyr43]
by kiawah
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Oct 17, 2009 (2:14 pm)
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Replying to: tommyr43 (Oct 17, 2009 11:29 am)
Sounds like your starter could be bad. Works okay when it is cold, when it heats up it fails.
This is assuming of course, that your battery connections are clean without any corrosion, as that adds resistance.
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- #571 of 580
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chocking out and back-fireing when i try to give alot of gas pedal
by wh7952
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Oct 25, 2009 (5:15 pm)
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Over the last month my 99 5.7 4WD Tahoe has been giving me problems accelerating when I give it a heavy foot. When I hit the gas down it loses acceleration almost like it's being starved of air or gas. When I hit the gas the engines just bogs down, begins to hesitate, and will not accelerate. kinda like when you have a dirty fuel filter
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- #572 of 580
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Re: chocking out and back-fireing when i try to give alot of gas pedal [wh7952]
by wh7952
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Oct 25, 2009 (5:18 pm)
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Replying to: wh7952 (Oct 25, 2009 5:15 pm)
I have already cleaned the mass air flow sensor, air temp sensor
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- #573 of 580
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Re: chocking out and back-fireing when i try to give alot of gas pedal [wh7952]
by 73shark
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Oct 25, 2009 (5:53 pm)
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Replying to: wh7952 (Oct 25, 2009 5:18 pm)
Check your fuel pressure. Could be a failing fuel pump.
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- #574 of 580
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Re: chocking out and back-fireing when i try to give alot of gas pedal [73shark]
by kiawah
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Oct 25, 2009 (6:09 pm)
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Replying to: 73shark (Oct 25, 2009 5:53 pm)
or clogged fuel filter, from a bad load of gas
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- #575 of 580
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Re: chocking out and back-fireing when i try to give alot of gas pedal [73shark]
by wh7952
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Oct 26, 2009 (4:07 pm)
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Replying to: 73shark (Oct 25, 2009 5:53 pm)
I unplugged my mass air flow sensor and the truck was a new truck, ran scary fast and had so much power like it was a new truck. Is it safe to run the truck with the sensor unplugged untill i get a new one installed?
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- #576 of 580
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Re: chocking out and back-fireing when i try to give alot of gas pedal [wh7952]
by 73shark
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Oct 26, 2009 (5:48 pm)
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Replying to: wh7952 (Oct 26, 2009 4:07 pm)
I doubt it. It will set a DTC and probably go into a fixed fuel/air map that is rich to prevent engine damage. Probably why you're seeing/feeling increased power but have you checked mpg?
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- #577 of 580
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1999 Chev Tahoe- Leak Front Differential
by moverfors
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Nov 22, 2009 (6:07 pm)
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I just noticed significant drips on the garage floor coming out of the front differential....couldn't pinpoint where. Am I in for a big bill? Should I go to a regular mechanic or a transmission place?
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- #578 of 580
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Re: 1999 Chev Tahoe- Leak Front Differential [moverfors]
by Mr_Shiftright HOST
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Nov 22, 2009 (6:33 pm)
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Replying to: moverfors (Nov 22, 2009 6:07 pm)
Depends. If the drip is in the front case (the side with the ten bolts) that's pretty simple. If the leak is on the driveshaft side (shaft from the transfer case) , that could require a bit more skill. That would be a pinion seal and it requires about 1.3 hours labor. If it's leaking from either left or right axle seals ( axles going to either front wheel), that's more complicated about 3 hours for one side and maybe 4 hours total for both sides. A good regular mechanic should be able to deal with these but if it were a pinion seal I might go to a transmission shop as it requires precise torqueing.
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