cookseyb
Newbie
The ignition module is sometimes heat sensitive and will drive you nuts with random stalling out
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I have a cable and probably the closest guy to you on the forum. What is your truck doing?
I’m not sure if this would cause your problem but I know from personal experience that these trucks have a fuel prime relay and a fuel run relay. I had an issue with my run relay circuit and could never figure it out so I hardwired a switch into the prime relay and solved the issue. I inadvertently also created a theft deterrent as no one can keep my truck running without knowing where the switch is.
The basic issue was that it would run for about 30 seconds until the prime relay cut off and then it would sporadically run when the run relay kicked in. At the end before running the switch, the run relay would not function at all and I could only run for 30 seconds at a time. Makes for an interesting drive home from 10 miles away on the highway... throw in neutral, crank, put in gear, floor it, die, throw in neutral, crank, put in gear, floor it, die... and so on.
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That sounds like that was a huge pain in the rear end. Allthough mine isn't anywhere near that bad, where are both of these relays located? Or is mine only 1 since it is a 94?
Thanks!
The truck I was referencing was a 94. I’ve since picked up a 98 as well. If I remember correctly it was on the firewall but I’ll have to do some digging to see what I can find.
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As Scott referenced above, the relay is on the firewall. I really don’t remember what the exact issue was... I just remember that once the 30 second prime shut off, so did my fuel pump as the run circuit was not operating. For reference, this is where the fuel pump fuse and relay are located on the passenger side of the firewall:
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And here is were I spliced in to run a switch and independent power to the switch just below the master cylinder on the driver side of the fire wall:
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Hope this is not your issue... but if so, I hope this helps.
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Hi Retorq, where you located ?
I have trouble keeping the idle where it is set at, upon start it idles at 750 or so, perfect right, but then if I give it any throttle or begin driving it rises to around 1000rpms. this makes it tough to hold back at stops.
It also seems to stumble when given any throttle past normal acceleration, like its not getting enough fuel or timing ??
The fuel filter is new, pressure is good at 10+, IAC, TPS,ECTS,MAP, all new, new plugs and timing at 10', injectors not leaking and spray is fine, I have checked repeatedly for vacuum leaks also, of course not under the intake manifold though.
Everyone tells me that I need an ALDL connector and to get Tunerpro ? I am not smart enough to understand what this will tell me
I have talked with numerous guys aboput this and no one seems to have a solution, always comes back to a vacuum leak ???????
Its at the shop today getting a front tranny seal and fixing the aux fan because its not acting right. they are going to check the idle thing but I don't expect much progress there, just being real
Thanks
Bobby V