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idle surge
I have a 1991 honda civic, 1.6l 16 valve maual tran
problem is it surges at idle, a big surge like maybe 1300rpm to 600 rpm, not sure doesnt have a tach, the speed also changes from a long surge to short surges when the ac is turned on. It has died a couple times. it lacks power. (like goes slow up hills and whatnot) yesterday it didnt even want to go when i steped on the gas. only wentwhen barely press the gas or stop on it .. it has code 5, which i believe is a map sensor code... if vacume line, wich runs to the map sensor is removed off the tps idle smooths out. the moter was just rebuilt, has good compresion. I believe the idle air control is good, it has new plugs and wires. no smoke from the exaust. also surges if holding the clutch in at higher speeds....any questions or ideas? help me please...man this is embarasing sitting in this car at a red light =)
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