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  View original topic: Sputtering Bus
theowendorff Sun Aug 30, 2015 2:12 pm

After driving my '79 bay window 8 hours from San Francisco to Los Angeles, I noticed the bus sputtering at stops. The next time I tried to start it, the bus would not stay on, but just sputter out. If I floor the gas pedal, the bus stays on but at a VERY low idle. It feels like it is out of gas, but there is plenty of gas. Could this be a fuel filter issue? Fuel pump? Vacuum? Distributor looks good, no corrosion

Wildthings Sun Aug 30, 2015 2:42 pm

I think a vacuum leaks would be a like cause. Check for any hoses that might have fallen off or plain broke in two.

SGKent Sun Aug 30, 2015 4:16 pm

did it start slowly over the whole trip or suddenly?

is it a 1979 Federal with points or 1979 California with an electronic ignition?

busdaddy Sun Aug 30, 2015 4:27 pm

X2, points? or electronic, and if points is the rubbing block intact? (gap/dwell OK?)

And assumedly fuel injected, no?

theowendorff Mon Aug 31, 2015 7:55 am

Found a hose missing coming out of the charcoal canister, don't know if that makes a difference. It is a 79 federal with points. It is fuel injected. Rubbing block looks good. It started suddenly right after it had cooled down from the trip.

udidwht Mon Aug 31, 2015 11:46 pm

Check the timing and dwell first before anything else.



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