Mechanics

HAS NO ACCELARATION POWER AND NO CHECK ENGINE LIGHT AFTER DISCONNECTING/RECONNECTING BATTERY

1999 Subaru Forester • 184,233 miles

Vehicle - 1999 Subaru Forester AWD had the following check engine error codes: P0170, P0463, P0130, P0136, P0301, P0302, & P0303. I disconnect the battery, reconnect battery which clear the codes. Now the car seems to have no acceleration power. If I press the gas pedal the rpm jumps up to about 3000 rpm and drops to below 1000 rpm and the vehicle has no acceleration power. I changes the downstream oxygen sensor, the PVC valve and the 2 air filters, sprayed the MAF sensor with MAF cleaner to clean it but this had no effect on the car performance. Any ideas what I should do next.
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Baemr
December 11, 2011.



P0170-Fuel trim malfunction
P0130-Front O2 sensor circuit malfunction
P0136-Rear O2 sensor circuit malfunction
P0301-Cylinder #1 misfire detected.
P0302-Cylinder #2 misfire detected.
P0303-Cylinder #3 misfire detected.

Check compression and spark on cylinders. Check for vacuum leaks. Check for loose wires or connections in the O2 sensors, ECU, and the coil(s).

Rivermikerat
Dec 11, 2011.