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Type: Posts; User: xJohnDoe001x

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  1. Now that you mentioned it I am starting to think...

    Now that you mentioned it I am starting to think my fan clutch is the problem, that's the purpose of the thing, to quiet the fan when it's not needed. Mine seems to always be engaged, all my other...
  2. I Want an Electric Fan to Get Rid Of The Noisy Belt Fan, I have a few concerns about

    Friends, I have a '90 GMC C1500 with a 5.7"TBI and I want to go from belt driven to dual electric radiator cooling fans. What dreadful problems does this endeavor bestow upon my over taxed brain my...
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    All that stuff is new, once it's started it...

    All that stuff is new, once it's started it drives nicely but I am going to reset the IAC which involves the TPS position, it's idling a bit high.
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    I am new to owning old cars with electronic...

    I am new to owning old cars with electronic ignition I was use to just turning the key and it start, I guess because it got cold it needs the gas peddle pressed while cranking which makes me think I...
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    Yea, I was wondering about these distributor...

    Yea, I was wondering about these distributor modules, are they work or don't work things with no middle area? I did replaced the distributor with a new one. The truck ran good then one morning it...
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    I also thought that the timing is never set to...

    I also thought that the timing is never set to TDC which causes me to shoot the parts machine gun at it. The under hood emission label is missing but I found all of them AutoZone's website and all...
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    Yeah, that what I thought, I also thought that if...

    Yeah, that what I thought, I also thought that if I had fuel, spark, and no large vacuum leak I'd get some kind of starting action.

    So RayVoy, what do I do next? Or anyone? I had recently set the...
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    I took it to AutoZone and had it tested three...

    I took it to AutoZone and had it tested three times and it passed, I guess I'll do what he did and get it tested somewhere else.
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    I forgot to mention the new fuel tank, pump,...

    I forgot to mention the new fuel tank, pump, filter and strainer. I understand that that doesn't mean the pump isn't bad and OH! When I said I primed it I meant I poured a bit of gas down the TBI...
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    I know I have fuel because I put my finger down...

    I know I have fuel because I put my finger down the TBI throat just above the throttle valve and got gas on my finger (and I primed it) as for spark I pulled a plug wire, extended it into cab with...
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    Yes, sorry. I have a '90 GMC Sierra C1500 with a...

    Yes, sorry.
    I have a '90 GMC Sierra C1500 with a ('91) 5.7 TBI
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    Got Fuel, Got Spark, Got No Start

    Friends, I drove my truck one day and the next it won't start, well it did for a couple of seconds but after a few tries it won't start at all.
    Could a disabled Viper alarm connected to the ignition...
  13. When I drive it the response to the accelerator...

    When I drive it the response to the accelerator lags then it does in disconcerting surges.
  14. Persistent Loping Idle and Surging Acceleration

    Friends, I am desperate, I tried everything I know and more but I cannot find a solution to my Loping idle and surging acceleration on my '90 Sierra C1500, 5.7L TB. I I've replaced the IAC valve,...
  15. Engine has a Uniform Fluctuation in RPM

    When I run my engine in park at lightly high RPM it has a regular fluctuation, it does the same at idle but not so regular. I installed a new EGR and EGR valve, I checked the MAP, IAC, TPS and their...
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    Windshield Replacement Woes

    Friends,
    What do I do now? I removed the old windshield the wrong way on my '90 GMC pickup. I didn't cut the old adhesive close to the glass as I should've and after I had the glass completely...
  17. WOW! I cannot believe that I forgot that one.

    WOW! I cannot believe that I forgot that one.
  18. Where Can I Find Reliable Electrical Schematics?

    Friends,
    I am fed up with these horrid inaccurate wiring diagrams, Hanes and Chilton manuals are my primary complaint now.

    SO! Where do I find an accurate electrical schematic for a '90 GMC...
  19. You helped me get my head right earlier, I am now...

    You helped me get my head right earlier, I am now more interested in the amps but my Fluke 77's current checking capacity doesn't work, which is why I got it for $5 at a swap meet., so I have to...
  20. Great answer! I was stuck on the pre ECM car...

    Great answer! I was stuck on the pre ECM car method where you do check for voltage and less than three volts is good when everything is disconnected.

    You are right! theoretically all battery...
  21. Thank you for letting me know that I did not make...

    Thank you for letting me know that I did not make it clear that
    I want to check the battery drain, with the engine off
  22. What Voltage & Current Readings When Checking Battery Drain?

    What Voltage and current readings should I be reading with the engine off when I disconnect the positive cable and put the positive VOM probe on the battery positive terminal and the negative VOM...
  23. I am sort of up to speed (in the slow lane), I...

    I am sort of up to speed (in the slow lane), I returned that one to Autozon for $76 and got one at Pick A Part for $46 with both an ASDU and a Calpack. I haven't yet tried it as I am checking out...
  24. Is The PROM For The 1227747 ECU A One Or Two Piece?

    When I buy a PROM for my 1227747 ECM should it be one or two chips? The reason I ask is because my ECU has two empty sockets, a large one and small one, the problem is that I thought I was ordering...
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