C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1988 Engine Missing Under Load.

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Old May 9, 2003 | 09:28 AM
  #21  
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From: Upstate Driving a sweet 89 Iroc
Default Re: 1988 Engine Missing Under Load. (GusBustamanteJr)

$550 Canadian is very different than USD guys!

Whats the exchange now?
Exchange is around .60, so $550CND/1.6 = $373.75USD

Not to bad. :cheers:
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Old Apr 12, 2021 | 05:44 PM
  #22  
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Originally Posted by CarAteMyMoney
i have the same problem with my vette.. an 86. i was told the module in the distributor might cause the same problem otherwise i'd also guess fuel pressure, let me know if it runs any better with a new filter
I have an 86 as well, same problem with misfiring under load,,,Here's what did that DID NOT cure the problem,,,,new plugs, new TPS properly adjusted to .54 volts at idle, new ignition module,,,next will be plugs wires....crossing fingers
Update: Although the wires weren't arcing anywhere I could see, an ohmmeter test confirmed a wire was open/broken internally, The spark apparently would only jump the internal gap under low demand


Last edited by Wally Shawl; Apr 12, 2021 at 07:59 PM.
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Old Apr 12, 2021 | 05:47 PM
  #23  
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From: Clifton Park, NY ............Clearwater, FL ... 85 Original Owner
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Originally Posted by Wally Shawl
I have an 86 as well, same problem with misfiring under load,,,Here's what did that DID NOT cure the problem,,,,new plugs, new TPS properly adjusted to .54 volts at idle, new ignition module,,,next will be plugs wires....crossing fingers
Make sure plug wires are seated correctly on distributor.
If that and wires don't resolve the problem, check for injector issues
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