P0300, P0302 and P0303 are misfiring codes. They would result in loss of engine power.
P0302 is cylinder #2 while P0303 is cylinder # 3. Have the spark plugs and related components checked first.
P0422 = Main catalyst efficiency below threshhold. The misfiring could have damaged the catalytic converter. When misfiring occurs, the catalytic converter would glow red hot and that can cause the internals to collapse and plug it due to the heat. This would result in loss of power.
P0562 = System Voltage low. There are no tsting information from our database. It could be a faulty PCM or afault with the charging system. Have the alternator tested for a start.
P0748 = Shorte Pressure Control Solenoid valve circuit. When this trouble code is triggerred, the transmission would go into fail safe (limp)mode and this would result in lack of acceleration as the gears are now not down or upshifting. DO NOT try to force the transmssion to work under such circumstances as it is going to damage it.
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Wednesday, February 23rd, 2011 AT 8:59 PM
