Loss of Power - Need your thoughts [message #308048] |
Fri, 30 September 2016 12:05 |
Steve
Messages: 506 Registered: September 2013 Location: East Greenville, Pa
Karma:
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I experienced loss of power. Suspected fuel delivery and tested fuel pump. Test failed so replaced fuel pump. Still loss of power but noticed it only happens after warm up to operating temp, also noticed minor backfire through the exhaust so I suspected ignition. Replaced distributor with new Dick Paterson unit. Started strong but experienced power loss after warm up. Replaced fuel filter. Exhaust is new and not plugged.
What to check next?
Vacuum and vacuum lines, leaks?
12 volts to distributor?
Confirm that choke is opening?
Use manual pump to pump fuel from tank to confirm no kinks or blockage in fuel lines?
What else would cause loss of power that is operating temp dependant?
1978 GMC Royal
Eastern Pennslyvania
1968 Chevrolet C20 396 Camper Special
1969 Chevrolet C20 Camper Special
1985 Buick Electra Park Avenue
1992 Camaro 25th Anniversary Heretage Edition Black
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