surges bad at idle - Engine Troubleshooting


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surges bad at idle

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Auto Repair Home>> Automotive Repair>> Engine Troubleshooting

GKOO
User

Apr 5, 2010, 3:39 PM

Post #1 of 5 (1999 views)

surges bad at idle	Sign In

98 3/4 TON DIESEL CHEVY TRUCK 6.5 L. FAST IDLE AND RUNS AWAY WHEN YOU BARELY TOUCH THROTTLE. NO CODES..I ALREADY SET TIMING AND TESTED, MAP, THROTTLE ACUATOR, FUEL PUMP(LIFT) AND ALOT MORE I AM AN ASE MASTER BUT THIS ONE HAS GOT ME...HEP ME11111

(This post was edited by GKOO on Apr 6, 2010, 5:19 PM)

fordtech
User

Apr 5, 2010, 6:37 PM

Post #2 of 5 (1993 views)

Re: surges bad at idle	Sign In

sounds like there maybe an issue with the injection pump.

GKOO
User

Apr 5, 2010, 8:49 PM

Post #3 of 5 (1989 views)

Re: surges bad at idle	Sign In

i have alldata but it doesnt give a check for the inj pump, just says that its highly unlikely. i just found out that the fuel pressure is low to the inj pump though, so ill look there........thanks for the help. if i can help you let me know...i specialize in wiring..........gk

In Reply To

GKOO
User

Apr 6, 2010, 5:22 PM

Post #4 of 5 (1977 views)

Re: surges bad at idle	Sign In

I HEEYA, YOU WERE RIGHT IT WAS THE INJECTION PUMP.........THANK YOU CUZ I WASNT LOOKING THERE..........GK

In Reply To

fordtech
User

Apr 6, 2010, 5:35 PM

Post #5 of 5 (1974 views)

Re: surges bad at idle	Sign In

glad that you found the problem . those can be a pita to diag.

(This post was edited by fordtech on Apr 6, 2010, 5:36 PM)

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