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Old 07-27-2010, 12:58 PM   #1
chevymotocross
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Join Date: May 2007
Location: East Haven, CT
Posts: 882
Air Conditioning causing truck to stumble

Since I've finished the suspension work on my truck, I've started driving it again. It's had these symptoms before as well. When I turn the a/c on, the truck stumbles, and occasionally stalls out at lights.

Fuel pressure seems fine at 13 psi. Truck does not do this when the a/c is off. System blows nice and cold.

Is there some type of switch that isn't working which bumps up the idle with the a/c?

305 TBI engine.
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87 Chevy 2wd SWB: 305/700r4 Dual Exhaust, K&N Filter, Injector Pod Spacer, TBI Spacer, Belltech Front Sway Bar, Corvette Servo, Western Chassis 4/6 and c-notch
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