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Is the TPS supposed to have any sort of gasket?


GrandpasLumina
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1990 Chevy Lumain Euro (3.1L). I've been trying to diagnose a rough idle/misfire. I had a smoke test done yesterday, and it appeared like there may be a leak around the TPS. The throttle body gasket was really leaky too, so it may have just been from there.

 

When I took off the TPS, I didn't see any sort of gasket. Is there supposed to be one? It looks like it would leak without one, but I'm not sure. I don't see any part listed on Rockauto or anywhere else I've checked.

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