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1994 gmc gas starts up and then dies??????????
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braxxtonn
New User
Nov 10, 2012, 10:14 PM
Post #1 of 2
(2169 views)
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1994 gmc gas starts up and then dies??????????
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Hi guy I am having problems with my truck, it's a 94 gmc 2500 gas, 2 year old fuel pump fuel filter, did wires, coil, cap, plug, rotor, and that lil chip under the cap 2 years ago when it was missing on spark, and with in th last 2 months It has started to act up and miss on the spark, It all started a lil while after i got a rebuilt tranny put in, 1st my speedo started to glitch out , it will work some times and other times it's bouncing around or buried at 140K,, then my truck started to sputter like it was missing on spark I discovered that if i flip the cruize control on and then off it will run fine, and then this morning the weather has got cold and it's like minus 20 I started my truck and it was idoling like Sh!t like i was missing on spark alot, so I flipped the cruize control on and off a few times and pumped the gas a bit and it started to idol good, drove it a few block to my friends house and left it running to let it warm up and then it died on its own, and now when I try to start it it will start run for 5 sec and then die, and if I start it and keep pumping the gas it will kinda stay running but is sputtering all to Sh!t,
I am very stumped here and don't really know where to start, I was thinking of going with a new rotor, cap and that lil modualor chip thing that is under the cap, and also the speed sensor, SOMEONE PLEASE HELP ME OUT HERE!!!!
Randy
ohh and PS AWSOME FORUM, and thanks in advance =]
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 11, 2012, 7:32 AM
Post #2 of 2
(2130 views)
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Re: 1994 gmc gas starts up and then dies??????????
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OK, let me clear up a few things first.
Neither turning on the cruise control nor pumping the throttle is changing anything at all. Your truck is fuel injected. All pumping the throttle does is exercise your foot.
The age of the parts you put in doesn't mean much of anything either.
The first steps you want to take is to have the computer scanned for stored codes and read the fuel pressure at the moment this is happening.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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