new fuel pump run good and end up spudder - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum

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Old 04-14-2019, 11:08 PM   #1 (permalink)
jetboat36
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new fuel pump run good and end up spudder

ok so before my truck spudder no power lift pump good so i changed the fuel injection pump run good for a while and now when is on neutral just touching the gad and the motor rev up to the roof and when i go down the hill the motor spuddle but up the hill underload run ok so what going on guy thing is he fuel pump again ? i installed a rebuild one as to be the fuel pump again running ruff too

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Old 04-14-2019, 11:20 PM   #2 (permalink)
jetboat36
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and my exhaust is all carbonated inside

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Old 04-15-2019, 12:19 PM   #3 (permalink)
JMJNet
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The Suburban Club Member

Where did you buy the IP from? A lot of vendor are not reputable at all.
That may be just the PMD also?
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Old 04-15-2019, 03:51 PM   #4 (permalink)
jetboat36
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She from bumper to bumper in canada they have good product usually i pay 1800 cad
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Old 04-18-2019, 12:35 PM   #5 (permalink)
JMJNet
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The Suburban Club Member

Did you time the IP after install?

You said that there is no power to LP, did you fix it?
The LP and IP have no commonality in terms for no power to LP and you change the IP to fix the LP, it is not related electrically.
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1995 GMC Suburban:
PMD in Bumper
Leroy Diesel Flight System PMD
Leroy Diesel Oil Cooler Line
4" Warpspeed Exhaust
Kennedy Diesel LP/OPS Harness
Bosch Duraterm GP
Heath Turbo-Master
AD244 Alternator
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