Question about 1999 Toyota 4Runner
Freeze Frame Parameter Description Value DTC for which Freeze Frame was Stored
Fuel System 1 Status Closed Loop
Fuel System 2 Status Not Supported
Calculated LOAD Value 66.67 %
Engine Coolant Temp 197.60 °F
Short Term Fuel Trim - Bank 1 0.78 %
Long Term Fuel Trim - Bank 1 10.16 %
Engine RPM 2773 rpm Vehicle Speed Sensor 32.93 mph
Intake Air Temperature 78.80 °F
AS WELL AS PO300...
IVE REPLACED PLUGS WIRES CLEANED MAF SENSOR....IM THINKING COIL PACK OR FAULTY INJECTOR? ANY HELP WOULD BE GREAT...THANKS
Make cranshaft gear has not spun under timing cover ive seen it happen before
Posted on Dec 31, 2008
Tips for a great answer:
If the value is not more than -20 percent, inspect for the following:
With the engine idling and the transmission in the Park or Neutral position, observe the manifold absolute pressure (MAP) sensor parameter. The MAP sensor parameter should be between 19-42 kPa.
If the MAP sensor parameter is not between 19-42 kPa, refer to DTC P0106 .
With the engine idling, observe the mass air flow (MAF) sensor parameter. The MAF sensor parameter should be within 2-6 g/s at idle.
Vacuum hoses for splits, kinks, and improper connections
The air intake duct for being collapsed or restricted
The air filter for being dirty or restricted
Objects blocking the throttle body
Excessive fuel in the crankcase due to leaking fuel injectors
The evaporative emissions control system for improper operation
Excessive fuel pressure
Malfunctioning fuel injectors
The HO2S for improper installation and for electrical wires or connectors that may have contacted the exhaust system
The HO2S signal circuit shorted to voltage
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Trouble Code: P2096
Downstream Fuel System 1/2 Lean
Trouble Code Conditions: Engine running in closed loop mode. Ambient/battery temperature above 20F (-7C). Altitude below 8500 feet. Fuel level is more than 15%. If the PCM adds downstream short-term compensation to long-term adaptive, and a certain percentage is exceeded for 2 trips, a freeze frame is stored, the MIL illuminates and a DTC is set.
Exhaust leakEngine mechanical problemO2 Sensor has failedO2 Sensor signal circuit or return circuit problemFuel contamination
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