car is running like shit!!
05-23-11, 12:29 PM
#1
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car is running like ****!!
ok so heres the deal i drove my car to school this morning perfectly normal no problems as i was going to leave school the car started up but had no power violently shakes at idle will barely drive in gear almost like it has no throttle response or cannot meter incoming air ive searched the forum came up empty handed any help is greatly appreciated thanks it also doesnt sound like its running correctly this is for a friend
05-23-11, 03:25 PM
#4
How to pull codes on an S4: https://www.rx7club.com/showthread.p...55#post5131155. It's not as helpful or easy to do as S5s, but it can aid troubleshooting.
I would suspect the AFM, the connection to it, or the pressure sensor/connection. The FSM fuel and emissions section has a list of voltages at the ECU pins, and what sensor they correspond to. If you turn the key to 'ON', and back-probe the ECU connectors with a multimeter, you can test individual sensors.
I would suspect the AFM, the connection to it, or the pressure sensor/connection. The FSM fuel and emissions section has a list of voltages at the ECU pins, and what sensor they correspond to. If you turn the key to 'ON', and back-probe the ECU connectors with a multimeter, you can test individual sensors.
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