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The car is TransAm 89 305 tpi. The problem apeared after long-lasting park. Before that everything was ok. Rpm wildly jump at idle. Seems like timing moves in wrong direction or like it trying to find right rpms and timing but without any fortune. Computer does't give any mistake codes. If I unplug est connector engine runs perfect. Egr and air pump deleted. IAC and TPS changed and checked. Do you have any ideas?
I can attach some .xdl files but i don't know how to upload 'em there.
Last edited by pacoelrapido; 09-11-2015 at 02:22 PM.
Reason: mistake
Just start looking and following all the line and check condition of them. If your fingers get black all over them, they're probably shot.
Check under front and back of plenum, EGR Solenoid, EGR, Brake Booster from rear of plenum, vacuum ball in front drivers fender, cruise junction tee, and so on. There's quite a few
09-11-2015, 12:05 PM
