1976 Motorhome Bogs When Hot

GMC
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ARCHIBALD
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  • 1 POST
I have a 1976 motorhome with a chev 350 in it.I replaced plug wires ,distributor and fuel pump all in the last year.It runs fine when the motor is cool,however after its heated up it bogs out,hesitates and misses any suggestions please

Archie
Apr 16, 2006 at 3:30 AM
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BURRBRIAN
  • ✓Experienced Mechanic
  • 158 POSTS
Just an off the wall idea but is your choke working right? You might check and see if it's opening like it should once it warms up or if it's sticking mostly closed.Kinda sounds like it's around the carb somewhere but can;t swear to it. Looks like you have covored everything else. Can't hurt to take a look , anyway, Good luck :)
Apr 16, 2006 at 7:13 AM
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Suggested Repair

Check that the choke opens fully once the engine is warm and is not sticking mostly closed. The hot bogging, hesitation, and missing may be carburetor-related.

Conversation Summary

The owner of a 1976 motorhome with a Chevy 350 says it runs fine when cool but bogs, hesitates, and misses after warming up. Plug wires, the distributor, and the fuel pump were replaced within the last year. An expert suggested checking whether the choke opens properly when warm or sticks mostly closed, and looking around the carburetor.

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