I recently acquired a 97 aspire with 63000 km which is in good condition overall, but I have some engine troubles :
- The car is sometimes hard to start, eventually you need to fully depress the accelerator pedal to get it going.
- The idle is ok but sometimes it dips and it actually died at idle once or twice ( but only in Park, never in Drive ??)
What I did :
- I changed the spark plugs
- The wires and distributor cap are recent
- I replaced the fuel filter ( I was surprised how little fuel pressure was remaining in the hose)
-recently I got a p0170 (fuel trim) check engine, the long term fuel trim was very low - 11 % which means the engine is running quite rich.
- I measured the manifold intake vacuum, and it's at 14 " Hg (<-- not good)
- I cleaned the EGR valve
- I adjusted the timing but was a bit puzzled by the 2 marks on the crank pulley, there is a yellow one which should be it, but also a white one, about half an inch to the right (which means really advanced) the timing was originally adjusted on this mark.....could it be that the timing belt has a jumped a tooth and someone made a new timing mark to go along with it ??
any ideas to get me going ?
thanks !
- The car is sometimes hard to start, eventually you need to fully depress the accelerator pedal to get it going.
- The idle is ok but sometimes it dips and it actually died at idle once or twice ( but only in Park, never in Drive ??)
What I did :
- I changed the spark plugs
- The wires and distributor cap are recent
- I replaced the fuel filter ( I was surprised how little fuel pressure was remaining in the hose)
-recently I got a p0170 (fuel trim) check engine, the long term fuel trim was very low - 11 % which means the engine is running quite rich.
- I measured the manifold intake vacuum, and it's at 14 " Hg (<-- not good)
- I cleaned the EGR valve
- I adjusted the timing but was a bit puzzled by the 2 marks on the crank pulley, there is a yellow one which should be it, but also a white one, about half an inch to the right (which means really advanced) the timing was originally adjusted on this mark.....could it be that the timing belt has a jumped a tooth and someone made a new timing mark to go along with it ??
any ideas to get me going ?
thanks !
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