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1994 Chevrolet 1500 Pickup Questions

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when driving down the road my1994 chevy 4x4 5.7 hiccups the tack and oil and amp gage goes down put in new coil and stator in dis.its like it loses elt power THanks Frank
show a diagram where it's located on engine
Wont start. Will start with either, changed fuel pump relay,fuel pump, fuze, ignition module, fuel pump isnt getting power only gets about 8.5 amps
What seems to make the problem better or worse? Nothing
How long have you had this problem? A few days
Replaced the MAP sensor, IAC valve, ERG solenoid, temp sensor, fuel injectors (2) and rebuilt the gas regulator.
flywheel cracked
Flexplate is out of vehicle.
It shifts into 1 and 2 but won't go in 3 just free balls and it just started change filter fluid and still won't shift
Can you pls help
Neutral or electrical box
fairly mechanically inclined. live in Alaska, yes its cold! so i drove to work, and when i got off work my truck would crank but not start, my buddy told me it was not getting fuel and i needed to change the pump. i changed the fuel pump relay and she fired right up! the next day it did the same thing crank but no start, this time i unplugged the fuel pump relay for half hour or so plugged it in and she started! went home and changed the fuel pump anyway. the next day the same thing, crank but no start! now its -30º F here so i had it towed for $100 bucks to my house, rolled it into garage and for shits and giggles i turned the key and she fired right up! my kind of luck. whats going on? recent history before this started, just replaced the water pump, thermostat, thermostat sensors. no codes being thrown...
Relatively new motor, new heater core, new water pump, new thermostat(x3). New blend doors (operational i checked) head gaskets replaced and heads milled, hoses seem to get hot, upper hose on core from to p of engine seems to be hotter than the lower return to radiator. temp gauge never goes above 70-80 ish was not working so i installed an aftermarket gauge and the increments are not that well designated... ive done everything i can think of. and spent way too much money. never had this issue until last winter, this truck used to have really good heat, last year and this year wearing snow pants to and from work cause its - 30- -40° below here in AK Sux.
Engine immediately trips check engine light
Both sensors were replaced
New vacuum hose on map sensor as well
When it first starts it barely runs then a few seconds later settles into so so idle semi rough idle
The noise is coming from the right side of the engine, and only happens when I accelerate.
A month ago I changed the fluid and filter in my truck, and now it slips while driving it.
My pickup drives like my brakes are locked. And a mechanic told me that my pedals are very low. This has been a problem for the past two years.
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