Replace plugs, wires, cap, rotor, coil. Starts up fine. Idles fine in park. Increase in speed is fine too, even to full throttle. However holding road speed, any speed, it misses terrible. When I come to a stop, it usually dies. Just started doing it this week. That's why I replace everything. Not sure of the next step. I wish it had OBD2.
OK. Now I read the codes. 12 14 55. I guess only 14 means anything. Improper MAP voltage. Is this the problem?
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91 Caravan 3.0 151k
Last edited by Goofy173; 07-08-2009 at 10:38 PM.
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I am guessing no codes? Without seeing the van, you could have a plug EGR tube, MAP sensor out of specs, dirty throttle body or speed sensor. Also the temp sensor could be out of range too.
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Master Chassis tech, Transmission
Automatic and Manual and Suspensions.
Also repair front and rear diffs and all engine
repairs inc Diesel. A/C repair too.
It was the MAP sensor. If anyone buys one, research it. O'Reilly wanted $73 for exactly the same brand and model Advanced had for $52. However Autozone had a Duralast branded one for $36, which is the same price as RockAuto.com shipped.
91 3.0 missing badly
