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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...

Search Auto Parts Search 1986 F-150, 302cid, EFI, won't start Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine Troubleshooting ruhkick New User May 6, 2007, 6:04 PM Post #1 of 4 (2726 views) 1986 F-150, 302cid, EFI, won't start Sign In   I just replaced the intake manifold gaskets because of a coolant leak, which required disconnecting the supply and return fuel fittings at the rail. I have verified spark and initial timing. I also verified fuel in the rail, but it still won't fire. If I hold the pedal to the floor it will backfire out the intake. I suspect an air lock in the fuel rail but don't know how to correct this. It is also quite possible that it is something else. Computer codes did not indicate anything wrong. Any suggestions would be greatly appreciated! Thanks, Rick Tom Greenleaf Ultimate Carjunky / Moderator May 6, 2007, 10:58 PM Post #2 of 4 (2722 views) Re: 1986 F-150, 302cid, EFI, won't start Sign In You said there was fuel in the rail but is there any pressure? T ruhkick New User May 7, 2007, 10:34 AM Post #3 of 4 (2715 views) Re: 1986 F-150, 302cid, EFI, won't start Sign In Tom, I haven't measured the pressure, but it will spray fuel from the port on the rail and was running just fine before the gasket replacement. Also the fuel pump runs only for a short time when you turn the ignition on indicating it senses pressure. Thanks (This post was edited by ruhkick on May 7, 2007, 10:35 AM) Tom Greenleaf Ultimate Carjunky / Moderator May 7, 2007, 10:42 AM Post #4 of 4 (2712 views) Re: 1986 F-150, 302cid, EFI, won't start Sign In If you prime the air horn/intake with starter fluid will it fire up and just die out? Maybe injectors aren't getting a pulse to operate and it can still just backfire on minimal leakdown?? T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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