ALDL Log Data - Need help please
ALDL Log Data - Need help please
89 GTA
Stock 305 TPI LB9
Checked fuel pressure, OK.
New TPS.
Cold start poor, but at at least it starts, then runs poorly, low power, surging idle, as it warms up it gets worse.
Will not start when hot, cranks but no start.
Logged with WinALDL and 10K Ohm resistor, parked in driveway.(No laptop)
Seems to run better with the ALDL cable connected.
Not throwing any codes.
Look at:
Sensor: BLM ?
MW2: Overdrive on? Parked?
MCUIO: Overdrive request?
MWAF1:Closed Loop Flag (no closed loop?)
Anything else?
Stock 305 TPI LB9
Checked fuel pressure, OK.
New TPS.
Cold start poor, but at at least it starts, then runs poorly, low power, surging idle, as it warms up it gets worse.
Will not start when hot, cranks but no start.
Logged with WinALDL and 10K Ohm resistor, parked in driveway.(No laptop)
Seems to run better with the ALDL cable connected.
Not throwing any codes.
Look at:
Sensor: BLM ?
MW2: Overdrive on? Parked?
MCUIO: Overdrive request?
MWAF1:Closed Loop Flag (no closed loop?)
Anything else?
Re: ALDL Log Data - Need help please
New ECM.
Those problems have gone away...
Fuel system not holding pressure after prime. Pinch the pressure line after prime and it holds pressure. Car starts if you do not delay the time from key on to start. I see a new pump in my future.
Those problems have gone away...
Fuel system not holding pressure after prime. Pinch the pressure line after prime and it holds pressure. Car starts if you do not delay the time from key on to start. I see a new pump in my future.
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