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  1. Ron88

    Stumbles on startup unless I give it gas

    How about checking the temperature sensor the one by the thermostat housing. It tells the computer to enrich the fuel mixture on startup if the engine is cold. You can use an ohmeter to check it somewhere on this site there is a chart that shows how many ohms it should read based on engine temp...
  2. Ron88

    Wiper Issues

    If you suspect the switch you might be able to plug a new one in without having to install it in the column . I was able to on my 88 with no tilt column can't be sure about a 90 or if you have tilt,but someone may know.
  3. Ron88

    1988 C1500 AC relay location

    Mine has an auxillary relay on the firewall next to the fuel pump relay but im not sure if it has anything to do with the a/c
  4. Ron88

    No Power Grey Wire to Fuel Pump

    Didn't have time to read it all if this has been mentioned disregard it. put power direct to the grey wire at the pump connector.The wire maybe broken from the relay to the pump.
  5. Ron88

    W/T front end trucks headlights

    LMC MAKES THEM AND THEY ARE DOT APPROVED.
  6. Ron88

    Temp gauge reads low on '94 5.7L

    the one yhat you are holding looks like the sender that goes by the thermostat housing it tells the computer what temperature the engine is. The one you want is usually in the drivers side cylinder head and is a one wire hookup.
  7. Ron88

    1990 c1500 5.7tbi Rough idle when warmed up Help Wanted!

    185.000 vacum off how about valve out of adjustment thats what was wrong with mine when i got it.
  8. Ron88

    Should I be getting better gas mileage? Improvements?

    As an aside if your tire size is not stock isn't your odometer that I assume you are using to check your mileage off?
  9. Ron88

    Should I be getting better gas mileage? Improvements?

    Having read all this i would suggest finding and fixing the 1100 rpm in park or neutral issue before doing anything else.
  10. Ron88

    Bent pushrod, good compression??

    I dont think exhaust valves not opening would change compression readings much.
  11. Ron88

    90 k1500 stalls randomly with engine light

    Did they weld any pipes when they did the exhaust, and if they did, did they disconnect the battery?
  12. Ron88

    Soft brake pedel

    Dom I don't know if this will help you but many years ago I had a Cadillac in my shop that had a musy or dropping pedal I wont bore you with all that went on but it came down to the wrong master cylinder the ones the part guys were sending were for a car with rear disc brakes and this car had...
  13. Ron88

    P0300 won’t go away!!!

    Can you narrow it down to one cylinder by pulling one plug wire at a time ?
  14. Ron88

    P0300 won’t go away!!!

    I won't take a guess at what your problem is. I can tell you that when I searched PO300 in the search box more than a few guys have had this problem one guy after changing like everything turned out to be his distributer cap which he had already replaced. I am not trying to be mean, I know after...
  15. Ron88

    [SOLVED] Need Help with a 1997 GMC C1500 5.7 Crank but no Start

    If I remember this right if you line up the line on the crankshaft damper to the 0 degree mark your rotor should be pointing to number 1 the only other place it could be is at 6 which means you need another full turn back to line up the line on the damper with the zero mark and then it should be...
  16. Ron88

    [SOLVED] Need Help with a 1997 GMC C1500 5.7 Crank but no Start

    It may have jumped time. That may make it back fire through the intake.
  17. Ron88

    Random miss is killing me. F/S Blazer 5.7 tbi

    Have you tried removing one wire at a time and driving the truck, or power braking it to get the miss narrowed down to a specific cylinder?
  18. Ron88

    92 K1500 stumble/hesitation while driving

    Bad Grounds as Mentioned Cracked Vacuum Line ? sounds like its leaning out at 2000 rpm
  19. Ron88

    Engine cranks and fires then dies, PLEASE HELP

    I would check that I had computer power after the vehicle starts in case its some kind of ignition switch problem. If it is going away due to a faulty ignition switch or even the passcode I would put power to it from another source to see if it keeps running. That's a tough one sorry to be so vague.
  20. Ron88

    5.7 using oil, no smoke

    What weight oil is in the engine?
  21. Ron88

    Riddle me this... hot start 'N dies, miss / cut out only in summer

    coil secondary voltage may be too low when hot
  22. Ron88

    1999 5 spd 7.4 dies at idle

    Disconnect EGR plug line RE try?
  23. Ron88

    Read drum brake help

    How about switching the rear drums around and see if the problem moves to the other side?

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