92 150 won't start
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Junior User
Joined: Jan 2007
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92 150 won't start
There's fuel pressure on the rail, spark above the distributor and I just had the ignition module tested. I've been having problems with it missing at startup but only for a couple of seconds, then it would run fine no matter how long I ran it. A couple f times I had a problem with it running rough and missing with a check engine light on but it was intermittent and would clear up. Now, it just won't start. I've replaced the cap and rotor and the wires look good. Anyone have any ideas?
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Not true, you will still have the CM codes if did not unhook the battery.
Senior User
Joined: Jul 2003
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From: Olympia USA
I was not referring to buying parts. If he has done the swap, he should still have the original ignition module. I have 3 or 4 of those things. They are heat sensitive, and can cause problems all day long. I'd swap back to the original and see if it starts up.
Bob
Bob
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What is the fuel pressure reading? Are you getting a good spark at the plugs? Is the fuel pressure regulator leaking gas into the vacuum line? Is the CEL burnt out? Does the fuel pump run a second then shut off or run continuously if you just turn the key on without trying to start? Does the engine turn over? Does it sputter and try to start? Do the spark plugs show unusual color?
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Put original module back in and it started right up but is missing again. After a few minutes that clears up and since I put a new battery in it....No there were not any codes.
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Laughing Gas
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From: The OC
When you changed your battery, you disconnected your battery cables and that will reset your computer and erase stored codes, that is why you have no codes. Run and drive the truck for a while and if you got the check engine light before, you will probably get it again. Check for codes after you drive the truck.
Laughing Gas
Joined: Oct 2005
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From: The OC
I hear ya Bob, that is a generic but meaningful statement I tell everyone, because many people buy alot of parts without checking for codes first. Hell, I did the same thing before I got my code reader years ago and I could've saved some $$$$!
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This is fun...but not. I went outside to start it today and no go. Left it alone for a couple of hours and it starts with the missing again. SO, I decide fuggit I'm going to drive it in its crappy state to Autozone for a code reader and it clears up. By clear up I mean second gear tire chirps entering the freeway [AOD] and is running great at the moment. When I get home to put the scanner on it nothing happens. It shows no codes and runs great for the time being.
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I'm still leaning to fuel for some reason. I finally got an EGR code but earlier today I was having issues with the fuel relay clicking and the pump running too long. Ignition and wiring are all original tho @ 250k miles. I knew I was needing to replace my EGR valve but didn't think it could cause a no start. So, I'm still thinking there's something else wrong.
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