codes 25,31,32,24
#2
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Location: Sierra Nevada's or the Deserts of Las Vegas
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25 could be
AIR/FUEL RATIO LEAN INDICATOR--LEAN SIGNAL SENT TO ECU FROM O2 SENSOR
--INJECTOR FAULT(S)
--FUEL PRESSURE
--OXYGEN SENSOR
--AIRFLOW METER OR MAP SENSOR
--IGNITION
--ECU
31 could be
MANIFOLD AND/OR AIRFLOW METER SENSOR SIGNAL CIRCUIT
--AIRFLOW METER/CIRCUIT
--MANIFOLD PRESSURE SENSOR/CIRCUIT
--ECU
32 could be
--AIRFLOW METER SIGNAL (VANE-TYPE)
--AIRFLOW METER./CIRCUIT
--ECU
24 could be
--INTAKE AIR TEMPERATURE SENSOR SIGNAL--OPEN OR SHORT IN INTAKE AIR TEMP. SIGNAL
--INTAKE AIR TEMPERATURE CIRCUIT
--INTAKE AIR TEMPERATURE SENSOR
--ECU
I'd start with replacing the 02 sensors then go from there. That's the most common problem it seems.
AIR/FUEL RATIO LEAN INDICATOR--LEAN SIGNAL SENT TO ECU FROM O2 SENSOR
--INJECTOR FAULT(S)
--FUEL PRESSURE
--OXYGEN SENSOR
--AIRFLOW METER OR MAP SENSOR
--IGNITION
--ECU
31 could be
MANIFOLD AND/OR AIRFLOW METER SENSOR SIGNAL CIRCUIT
--AIRFLOW METER/CIRCUIT
--MANIFOLD PRESSURE SENSOR/CIRCUIT
--ECU
32 could be
--AIRFLOW METER SIGNAL (VANE-TYPE)
--AIRFLOW METER./CIRCUIT
--ECU
24 could be
--INTAKE AIR TEMPERATURE SENSOR SIGNAL--OPEN OR SHORT IN INTAKE AIR TEMP. SIGNAL
--INTAKE AIR TEMPERATURE CIRCUIT
--INTAKE AIR TEMPERATURE SENSOR
--ECU
I'd start with replacing the 02 sensors then go from there. That's the most common problem it seems.
Last edited by 89silverpu; 04-29-2009 at 06:54 PM.
#3
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Location: Richmond va
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Changed the plugs,NGK's and Ngk wires,Toyota Cap and rotor,Air Hog air filter.Put on new muffler and tail pipe, Ran great.Then codes showed up.The check engine light went off, and then came back on.
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