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1994 Chevrolet 1500 Pickup Questions

Get answers to questions about your 1994 Chevrolet 1500 Pickup at RepairPal. Find solutions, diagnose problems and get back on the road.

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143
questions

I CHECKED ALL GROUNDS THERE GOOD.
IVE TUNED IT UP AND I GET SHOCKED BY THE DISTRIBUTOR.

had typical head gasket problems on 1994 chev 5.7 , removed head theres an actual small trough worn in head between # 4 and 6 and small trough in block. any one ever seen this, and can it be repaired. thx

happened twice in last 2months.Replaced dist cap and rotor spark plugs and wires runs a little better but will hesitate and stall when I rev it up to freeway speed while in park

recently purchased truck used with 109,500 miles on it.
Runs great otherwise.....

Why is. It shifting so high

Engine misses out and sometimes dies in wet rainy weather. I have new plugs, plug wires w/silicone grease in boots, new coil, fully complete new distributer with all new parts. I am out of ideas, does anyone else have this problem or know what the problem could be ? Thanks!!

Changed plugs, cap, rotor, coil and wires but nothing seams to help. what am I missing ?

will start and run perfectly at times but more and more often will start but only tick over at about 300 rpm no throttle response at that time sometimes will all of a sudden start to run correctly ses cycles on and off cruise drops out when ses lights seem to do this at just below or just over 0 c scanner says code is pulse width to long open and pulse width to short closed when I un plugged ect would sometimes get it to start and run but idel is very volatile when ect disconnected ect readings on scanner inaccurate cold engine show 200 f and up to 230 when engine at about 140 then the temp all of a sudden match up and are unstable until about 160 then the match up and are solid when ect unplugged scanner reading goes to 7 f and is steady

This happened after clearing ice while the engine was warming up. The interitant was on, but the wipers couldn't move. Did I fry something?

Wet weather makes the truck want to idle rough after driving on the highway @ 10 min, next stop causes truck to act as if it has a fuel pump problem(replaced already & filters), putting in neutral keeps it from stalling. Is it Ignition coil, camshaft/crankshaft position sensors, MAF/MAP, brake booster bleed, or fuel pressure regulator problem? I noticed bottom of front carburator's plastic housing small void by something with wires on it, so outside air could get in under the rubber housing gasket.

I know it has somthing to do w/ tranny

transmisson or drive shaft seals

New battery new cables new starter no start checked wire found starter to img.wire tied together ran new wires the rite way sucked all juice from battery put wires back like found them heater and radio came on with key in swh in off
off

I am replacing the outside mirror.

Truck starts but bogs down right away. You can hear fuel pump running in tank. Checked fuses relays all good. If its a vac. leak to TBI hard to tell.