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Type: Posts; User: notaloafer

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    Based on the feedback from this thread and the...

    Based on the feedback from this thread and the position of the MAP sensor and no indication of leakage on the line leading into the TBI, I am going to take the throttle body off and replace the...
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    To put the oil issue to bed, I just...

    To put the oil issue to bed, I just double-checked and the dipstick is showing right in the middle of the operating range. The thing must have some kind of extra pan on it. When the truck is cold the...
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    I thought the same thing - I have always changed...

    I thought the same thing - I have always changed the oil in all of my vehicles, and I checked the dipstick after adding every quart past 5 to ensure that I wasn't overfilling it. Finally at 9 quarts...
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    I just changed my oil with 5W-30. The beast took...

    I just changed my oil with 5W-30. The beast took 9 quarts!! I'm assuming that it has some kind of large oil pan mod as well. At first I thought I had forgotten to put the plug in the bottom, but when...
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    It's pretty funny. The local Chevy dealer here...

    It's pretty funny. The local Chevy dealer here didn't even know where the fuel filter was in this rig. He said he didn't have the service manual for anything before 1990 so he couldn't even work on...
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    More developments... hopefully I'm not breaking...

    More developments... hopefully I'm not breaking any rules by posting what is going on in hopes it can help someone else someday.

    Using the image below, I found the MAP sensor. However, the knock...
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    New developments. I jumped the OBD-I computer...

    New developments. I jumped the OBD-I computer ports and pulled two error codes: 33 and 43.

    33 "MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (VOLTAGE HIGH-LOW VACUUM)"
    43 "ELECTRONIC SPARK CONTROL...
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    The engine runs very strong from what I can tell....

    The engine runs very strong from what I can tell. The only issue I have is when the engine is cold, it has a very small hesitation moving from a standstill. Other then that, it runs strong with no...
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    1988 Suburban Horrible MPG

    Now just to start off with, I know suburbans are not world-renowned for their gas mileage!

    I just picked up a 1988 suburban with the 350 engine and turbo 400 3-speed transmission. Besides sitting...
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