PO717,PO128

2002 Suzuki XL7

Tiny

tom gould

December, 13, 2009 AT 12:42 PM

Engine Mechanical problem
2002 Suzuki XL7 6 cyl Four Wheel Drive Automatic 82762 miles

service engine soon light is on, had a diagnostic run on vehicle and these two codes showed up, how much of a problem are they

FOUND 12 RELATED QUESTIONS

Code P0717

6 ANSWERS

P717 P717

1 ANSWER

1 Answer

Tiny

Dave H

April, 30, 2010 AT 4:24 AM

DTC P0128: COOLANT THERMOSTAT MALFUNCTION
Condition
DTC P0128 is set when engine coolant temperature is less than 167 F (75 C) after engine has run for a specified time. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles.
Possible Causes
Possible causes are: Thermostat malfunction.
ECT sensor malfunction.
ECM malfunction.

P0717 (4) Input/Turbine Speed Sensor Circuit - No Signal

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