loss of power
darryls
04-25-2005, 07:25 PM
Hi, I have a 94 series 1 and the engine starts great but put it in gear and it is very slugish seems like there is no power. It surges ahead then feels like it is going to die. I runs okay after it gets hot like 15 min later.
I put new plugs and pcv, air filter and o2 even changed the fuel filter but did not make a differance. Please help.
I put new plugs and pcv, air filter and o2 even changed the fuel filter but did not make a differance. Please help.
92bonny
04-26-2005, 08:54 PM
possibly a bad catalytic converter, my 92 did the same thing for a while until I could barely make it up a hill. Go to dan-fast or midas and they can check it free. Also, if it is bad, don't go to the dealer, they are a rip off. Go to dan fast, great service and the best prices I've seen anywhere. Anyway good luck.
Hansnet
04-28-2005, 12:08 AM
MAF likely but they dont die that quick usually. how does it run at idle? does it shake at all when you are leaving from a stop?
darryls
04-28-2005, 07:12 AM
It runs great at idle, only feels like it is getting to much gas when it is cold and in gear trying to move. Have to lift foot off gas peddle and back on quick to try and get the power.
BIG-L
04-28-2005, 04:19 PM
possibly a bad catalytic converter
I agree,take it into a muffler shop and have them test it.
~Larry~
I agree,take it into a muffler shop and have them test it.
~Larry~
LMP
04-28-2005, 05:05 PM
THis is symptomatic of 2 look alike problems that occured on my 3.8: one was due to faulty MAF, the other , faulty TPS.
If "pumping" the throttle helps like t did with me, then MAF sould be suspected: in my case, it was dirty and I cleaned it (the little shiny wire across the throat) with alcohol and all returned to normal : a incident with the air cleaner had let sticky mud particle to cover the heated wire and that retarded the cooling effect of passing airflow, so it did not "know" the throttle had opened.....
TPS problem - when the resistor track is cut - may be annoying by causing jerky motion when moving throttle even slowly but normally does not interfere with having power when asking for it..except it may hesitate for a split second at the moment of throttle opening. TPS is not used on this model to meter steady fuel request - this is done by the MAF. TPS is just used the way the old acceleration pump acted with carburators: it responds to throttle change of position.
If "pumping" the throttle helps like t did with me, then MAF sould be suspected: in my case, it was dirty and I cleaned it (the little shiny wire across the throat) with alcohol and all returned to normal : a incident with the air cleaner had let sticky mud particle to cover the heated wire and that retarded the cooling effect of passing airflow, so it did not "know" the throttle had opened.....
TPS problem - when the resistor track is cut - may be annoying by causing jerky motion when moving throttle even slowly but normally does not interfere with having power when asking for it..except it may hesitate for a split second at the moment of throttle opening. TPS is not used on this model to meter steady fuel request - this is done by the MAF. TPS is just used the way the old acceleration pump acted with carburators: it responds to throttle change of position.
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