89 S15 Jimmy shut off while driving
1989 S15 Jimmy
4WD Manual transmission 2.8L 170,000 miles I've been having starting issues in cold weather for a long time. Ran fine once it was warmed up. This year things took a turn when it started stalling. At first it was like it wasn't getting gas, or stopped getting gas. Then it would kick in. Found a vacuum leak and it seemed better for a few days. Then it just stopped while I was driving. Not putt-putt or studder, just quit. Got a MAP error but it checked out okay. Thought it was a clogged vacuum port on the throttle body so, ended up rerouting a vacuum line and it ran great. Really great. Until last Friday when it quit again. I'm at a loss so any help would be appreciated. Parts thrown at it so far: Plugs and wires Idle air control Coolant sensor O2 sensor MAP sensor and connector Vacuum lines Also, it's getting gas but now refuses to start at all. |
Mine is doing the same thing
Originally Posted by Dawgmom
(Post 497958)
1989 S15 Jimmy
4WD Manual transmission 2.8L 170,000 miles I've been having starting issues in cold weather for a long time. Ran fine once it was warmed up. This year things took a turn when it started stalling. At first it was like it wasn't getting gas, or stopped getting gas. Then it would kick in. Found a vacuum leak and it seemed better for a few days. Then it just stopped while I was driving. Not putt-putt or studder, just quit. Got a MAP error but it checked out okay. Thought it was a clogged vacuum port on the throttle body so, ended up rerouting a vacuum line and it ran great. Really great. Until last Friday when it quit again. I'm at a loss so any help would be appreciated. Parts thrown at it so far: Plugs and wires Idle air control Coolant sensor O2 sensor MAP sensor and connector Vacuum lines Also, it's getting gas but now refuses to start at all. Plugs cap rotor , new distributor, map sensor, coil , new fuel pump, just loose power every now and then, rest of the time it runs good. , just going to keep on working on it and maybe some time it'll fix it, soon going to be a new truck, just keep replacing parts. Nobody has a definite answer to this. |
I finally tracked it down to the ICM. Replaced it and it's been running great so far.
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Originally Posted by Dawgmom
(Post 498494)
I finally tracked it down to the ICM. Replaced it and it's been running great so far.
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