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Old Jan 2, 2010 | 06:09 PM
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harold harper
h9
 
Joined: Jul 2006
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Default another missfire problem!

seems like there is alot of this going around lately.here how it started.ran great for a long while then it seemed to get a sligfht miss in it.then frida(i don"t drive it much) it got very bad.it seem to start it crap after 2 mins of running it.if you keep of the throttle(no load) it runs great.if push the pedal down it shutters like it is losing a cylinder or two.i check the plug gap and ohm the plug wires,good.checked cap and rotor,ans swaped in a test part to be sure it was good.pulled the dizzy and bought a new one.checked the codes and it need the air charge sensor and temp sensor.said they were bad.also changed the fuel filter.after all this it still does the same thing runs good for two mins then goes to shit.i just tried out a test coil and still same issue.i am going to check the fuel presure tomorrow and replace the plugs,mybe one is bad.i can"t see anything wrong with them but they are cheap so why not.

this car is 1988 speed density by the way.it has not egr or emissions plumming.i did get one code that is bothering me.code 85 has two things list canister purge solenoid circuit failure and/or adaptive fuel limt reached lean.if any you guys had this same issue ,please clue me in on what else it could be.
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