1985-1998 [Subscribe to Daily Digest] |
Hello again,
My story - couple weeks ago, after putting in some fuel system cleaner, my car began starting very hard, idling crappy and hesitating mightily.
I have:
cleaned the throttle housing
changed fuel filter (helped a lot)
cleaned AIC (but afterward, no resistance - so - dead)
installed remanned AMM (helped some)
checked knock sensor
checked coolant sensor
checked fuel pump
checked power to injecters
checked O2 Sensor (pegged lean & good 12V to heater)
plugs and air filter are 2 months old
O2 sensor and fuel pump 3 months old
After doing above, definately better, but still hard starting, still hesitating.
Well, tonight I replaced the AIC and Throttle Position sensor.
Now it starts great, idles fine and when I'm in park or neutral it revs beautifully.
BUT, as soon as I take it on the road, it sputters and won't go past 2000 rpm until after it shifts up. Then I can floor it and get the downshift to carry me into the higher RPM range. It's also definately better after the O2 comes on line. But anytime I'm at 2000 rpm (warm, cold, whatever), it sputters and oscilates between 2000 - 2200 rpm and won't go higher unless I floor it to the point of downshifting. Also get the occasional check engine (12223-lean mix) and definately crappy milage (~10 mpg).
I am beginning to think I got a bad AMM (air temp sensor?). If I put the old one in, it runs really crappy, so I know that one is bad. How often are theses remanned AMMs below par?
Help (whimper, whimper)
ETS
posted by 208.210.15...
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