Engine died on highway
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Trailering
Joined: Nov 2017
Posts: 16
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Engine died on highway
So, as the title suggestions, my truck isn't doing well. Since I bought it in May I've been trying to make it stop missing under load. I've replaced plugs and wires, the coil, and fuel filter. In the last two years (I have receipts) the alternator, distributor body, MAP sensor, and IAC valve have been replaced. My next move was going to be replacing the vacuum line because I knew of a crack in the line and I was going to replace all of it. Just today I was going down the highway and I was passing someone. I hardly ever take my truck above 75 mph but I did this time. As soon as I got back into the lane, my truck turned off. It just simply died. I pulled over and tried restarting it. It turned over fine but nothing else happened. I have yet to find any leaks or lose wires. I've turned the key to the on position and can hear both fuel pumps turn on. I also sprayed starter fluid into the throttle body and nothing happened. The truck just turns over. I knida need my truck back an running pronto. Any help would be very much appreciated.
Jedidiah
Jedidiah
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Trailering
Joined: Nov 2017
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Ok, so I tried multiple times to get the codes but nothing flashes up at all when I hook up the wires. My friend and I found after running a few tests it must be something after the coil. The coil seems to be getting electricity but nothing seems to be getting to the plugs. While even just turning it over the coil got very hot. We took the coil and condenser out of my truck and threw them into my friend's 96 f150. It started right up. So, coil must be working, but electricity can't be getting to the plugs. It really doesn't help that we can't get codes, but I've tried every video I've found. So, distributor?
Jedidiah
Jedidiah
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Joined: Mar 2010
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what engine is this? when my straight six dies like that it's the ignition module on the distributor fortyish bucks at autozone. I made a tester for it out of an led light some alligator clips and pierced the wires with needles. btw, I needed little 7mm(ithink) deep socket to get it off. I have been told that a probable reason for this failure is bad grounding and I have set off on a fix all my grounds mission.
Part 1 -How to Test the Ford Ignition Control Module (Distributor Mounted)
Part 1 -How to Test the Ford Ignition Control Module (Distributor Mounted)
Logistics Pro
Joined: Aug 2010
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From: Chillicothe
Have you pulled the cap and checked the rotor? Sometimes these issues are simpler than expected.
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Trailering
Joined: Nov 2017
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We did pull the cap off. Everything there looks to be in great shape. I thought maybe the timing was screwed up but my truck had been running fine just a few hours before hand. I wouldn't think just driving down the highway would screw it up so bad as to make it stop running. My next thought would be maybe the points we messed up. I haven't taken a look at them for fear of taking the distributor apart and screwing something else up. However, if that's a smart next move, I'll do some research and take a look.
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Fleet Owner
Joined: Oct 2005
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From: Kentucky
Some good info here: Part 1 -How to Test the Ford Ignition Control Module (Fender Mounted)
Fleet Owner
Joined: Oct 2005
Posts: 20,786
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From: Kentucky
The link I posted previously has great step by step instructions. It starts with getting spark at the plugs, then works backwards. Follow that and you will find the root cause without spending money on unnecessary parts.
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