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1989 Ford f-150 ruf idle on start up
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Dan Trygstad
• Grant, MI, USA
• Registered on 6/5/2003
• 2 posts
Posted:4/30/2004 17:26
Truck starts fine but just after startup it idles down and up and the check engine light comes on and if you let it, it will stall out. I have changed the cap, rotor, spark plugs, wires and put on a new egr valve. Once truck gets going it runs fine but the check engine light stays on, sometimes it goes off and the truck gets more power.

Any sugestions of where to go next?

It is the 302 engine
BoulderBronco
• Telluride, CO, USA
• Registered on 7/6/2002
• 105 posts
2 Vehicles
Posted:5/24/2004 17:18
Check the codes. Go to Http://www.fordfuelinjection.com and look at how to check codes. It's real easy.

93 Bronco,White/Green

Engine:
351W, 130 amp alternator, AGR High Pressure power steering pump, Custom K&N intakes, BroncoAir YORK on-board-air kit,

Drivetrain:
E4OD tranny, BW 1356 T-Case, 6" Superlift w/radius arms, Superlift Superrunner Steering Kit, D44 TTB front w/ARB, Warn Premium hubs, 4.88 gears, Ford 8.8 rear, custom CV driveshaft front, custom length driveshaft rear, 37" MTR's, BroncoAir Extreme Duty Winch Bumper, Warn M12000 winch,

Other: Lund Moon Visor, Tinted windows, PIAA 90Series fog/driving lights, full size spare, Uniden CB, kick ass stereo, Alpine MP3 head unit, CD/MP3 Changer, Orion amps, Boston 12" subs, MBQuart components.

Future: D60 front w/ custom coils, Sterling 10.25" rear, ARB's and 4.88's, full Bassani Exhaust/Header system, hopefully a supercharger but ya know it's all about the $$$$$$$$$
I am also the owner of BroncoAir

Forums > Car and Truck Make and Model Specific > Other Ford Trucks
1989 Ford f-150 ruf idle on start up
Thread Statistics:     Users to Post: 2   |   Total Posts: 2   |   Total Views: 1230
You must be logged in to post in or subscribe to this thread.Pages: 1

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