87 Fuel injection issue? With a/c heater fan - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bsm78 · 01-17-2013, 07:20 PM

Have an 87 with 305. She runs good. Little rough idle, but pretty solid. No speed demon by no means.

Does idle rough and at take off could shut off when the ac or heater is on.
It will bog the engine until rpms get high enough to over come.

I have stepped on it with the fan off and then cut it on during acceleration, felt normal loss in power but nothing like at take off. Could this be a throttle body issue or what do you guys think?

01-17-2013, 07:20 PM	#1
bsm78 Registered User Join Date: Dec 2009 Location: Hazlehurst, Ga Posts: 132	87 Fuel injection issue? With a/c heater fan Have an 87 with 305. She runs good. Little rough idle, but pretty solid. No speed demon by no means. Does idle rough and at take off could shut off when the ac or heater is on. It will bog the engine until rpms get high enough to over come. I have stepped on it with the fan off and then cut it on during acceleration, felt normal loss in power but nothing like at take off. Could this be a throttle body issue or what do you guys think?



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