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Tony
Posted on Monday, August 12, 2002 - 09:58 am:   Edit Post Delete Post Print Post

Need some help here diagnosing an ongoing ignition problem. The
truck's a '94 with about 80K on it, this problem has been going on
literally for 2 years. Symptoms are that when the truck is hot,
it'll cut out and not restart for 15 minutes or so until it's cooled
off. When this occurs, there's no spark. Fuel pressure is fine.
Following is what's been done to try and remedy this, both by me and
by (more recently) the dealer (who is now throwing up his hands):

ECU (used, but good)
All relays and fuses related to the both fuel and ingnition
Coil x2 with the terminals converted to ring connectors
Ignition module relocation kit x2
plugs
wires
distributor base plate and pickup
ballast resistor
MAF cleaned, and a new one subsitituted

Most recently (last week) the relocation kit was done for the second
time along with the base plate and pickup, which helped considerably,
but the problem is still occuring. It seems as though something's
cooking in there, but what could it be? Maybe the voltage regulator
in the alternator?

Thanks for any advice,

Tony

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