Ignition Trouble
Ignition Trouble
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Joined: Jan 2003
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From: 3rd Rock
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Senior User
Joined: Feb 2004
Posts: 155
Likes: 0
From: Alaska
First check for codes, it is possible that the Ignition Module has gone bad or the pick-up coil in the Distributor. Also the easy ones: worn out cap+rotor, Bad coil, Loose wires. I had an ignition module tested at autozone once, and they were able to tell me it was bad. First I would check the codes. Hope this helps.
Freshman User
Joined: Sep 2002
Posts: 49
Likes: 0
From: Sullivan, IN
89 F-150 L6 Lights make it run bad
Ok here is the prob as I see it. I go to work in the day time and it runs fine. At night with lights, blower, wipers on it runs like crap. Kinda sounds like it runs out of gas. I have a fuel pressure tester mounted inside the cab to see if it's a pressure problem, it stays at 55-58 at all times. Also I have replaced alternator and had it tested at Ford before I put it on, it held 14.3 under a load. I Installed it in the truck and temporarly attatched voltmeter to it so I can see going down the road and it's holding 13.99 with lights on, with blower on it holds 12.94. I checked coil, cap, rotor, wires, (NEW) plugs, also gapped right. Everything is in spec. Any ideas from here on out are just guesses on my part. I also have ran codes and got 52 and 67 (PWR Steering SW, Neutral SW.) So basicaly no codes are being given.
Freshman User
Joined: Sep 2002
Posts: 49
Likes: 0
From: Sullivan, IN
89 F-150 L6 Lights make it run bad(fixed)
Well I sure would not have guessed what it was right off the bat. I checked for a vaccum leak on the temp control and all the vaccum actuators didn't find anything. I went back under the hood while it was running with a propane bottle to look for leaks there didn't find anything. I saw a bubble of tape on the fuseable link for the alternator and decided to look deeper at it and that wire was pretty hot when I touched it so that didn't seem right so I took all the wires off the starter solinoid and I found rust on the terminals I cleaned them and put dielectric on it and low and behold problem has been fixed. So therefore it was getting volts just fine but no amps and that was the problem. I been drivin it for a week and it's runnin like new.
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