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Originally Posted by rppta
Did both battery and fuse with no change. Timing OK also installed new wires plugs cap and rotor. At cold startup car does not like to idle right away. Then settles to approx 800rpm. After runing for awhile idle drops to around 400rpm. I am using haynes manual for spec on timing and reading check engine code. Check engine code is 3 1 which manual says is MAP is that correct?
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When you say timing is ok, are you speaking of base timing or cam timing or both??
Are you positive the cam timing is DEAD ON.
If your cam timing is off 1 link it can be enough on some engines (even interference engines) to cause a vehicle to run poorly @ idle and very low rpms and clear up @ higher rpms.
