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#1
09-30-2009, 08:51 PM
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95 Ram 4x4 cutting out at mid accel only.
Here's one for ya.... 1995 Ram 2500 4x4 with a 5.9L MPFI engine with 180K miles on it. Approx 500 mi on a complete tune up. Has had injectors cleaned and flow tested. Everything checks out fine. It was even smoke tested to look for vacuum leaks... Passed. The truck idles fine and performs fine under light acceleration. Under hard acceleration it will break the tires loose and run a hole in the wind. But under mid acceleration ( the amount normally used just shy of being enough to downshift) it starts cutting out and backfiring through the Intake.... Any ideas ???
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3rd generation Mechanic Dealership exp with GM, Ford, Nissan, and Toyota Self employed for the last 12 yrs. 
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#2
10-02-2009, 03:21 AM
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Re: 95 Ram 4x4 cutting out at mid accel only.
make sure you spark plug wires are not near each other, fuel pressure, compression test and intake leak plenum test..
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#3
10-05-2009, 12:11 PM
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Re: 95 Ram 4x4 cutting out at mid accel only.
Quote:
Wire routing is exactly to factory specs, fp is midrange , comp is excell and even, intake has been smoke tested and passed with no leaks.... anymore suggestions ?
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3rd generation Mechanic Dealership exp with GM, Ford, Nissan, and Toyota Self employed for the last 12 yrs.
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#4
10-05-2009, 10:46 PM
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Re: 95 Ram 4x4 cutting out at mid accel only.
I've been hearing about gasoline with alky in it making one miss and turn on the Check Engine light....P0300, cylinder missfire/no particular cylinder.
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1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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#5
10-17-2009, 12:32 PM
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Re: 95 Ram 4x4 cutting out at mid accel only.
Believe it or not it was all caused by a faulty O2 sensor....
__________________
3rd generation Mechanic Dealership exp with GM, Ford, Nissan, and Toyota Self employed for the last 12 yrs.
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#6
10-18-2009, 09:04 AM
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Re: 95 Ram 4x4 cutting out at mid accel only.
Thanks for the update, will try to remember that.
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