Hard starting
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Joined: Aug 2002
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Hard starting
Ok, I'm starting to get stumped with our work truck. It's a 87 F150 4x4 302 auto 200,000+mi. I've given her a complete tune up, plugs-wires-cap-rotor-fuel filter-air filter-and dist module.
It runs great, just doesn't want to start up. Their isn't a problem with the cranking, it spins over nicely. It just won't fire. Usually it takes 3 turns of the key to get it to run. Sometimes it'll start to fire and quit, hit the key again and it takes off without a problem. Any ideas on what to check???
Thanks!
It runs great, just doesn't want to start up. Their isn't a problem with the cranking, it spins over nicely. It just won't fire. Usually it takes 3 turns of the key to get it to run. Sometimes it'll start to fire and quit, hit the key again and it takes off without a problem. Any ideas on what to check???
Thanks!
Posting Guru
Joined: Jan 2003
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From: Still under the hood in O
Post Fiend
Joined: Nov 2002
Posts: 9,987
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From: Memphis, TN
Hard starting
I suspect the fuel pump. Put a pressure gauge on the schrader valve on the fuel rail. You need ~40psi - my truck got hard to start and I found I only had ~10psi sometimes. You can see how to change it in the EFI Fuel Pump album in my signature link.
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cyclist7531
1983 - 2012 Ranger & B-Series
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Apr 29, 2011 11:22 AM
