1993-1995 3.4L Fuel Injection, VIN X |
13 |
Oxygen sensor voltage stays between 0.35 and 0.55 volts for 25
seconds. The engine had been running for at least 2 minutes and the TPS was above 4%. |
14 |
Coolant temperature sensor signal indicates a temperature of over
270° F after the engine had been running for 20 seconds. |
15 |
Coolant temperature sensor signal indicates a temperature colder
than -37° F when the engine was running. |
21 |
TPS voltage was above 3.78 volts for 1.25 seconds. |
22 |
TPS voltage was under 0.25 volts for 10 seconds when the engine was
running. |
23 |
Inlet air temperature sensor signal showed an air temperature of
-31° F for 10 seconds after the engine has been running for 4 minutes. |
24 |
Vehicle speed sensor signal showed less than 2 MPH for 3 seconds
when throttle position signal was less than 2% with engine speed between 2200 and 4400 RPM
with the vehicle in gear. |
25 |
Inlet air temperature sensor signal showed an air temperature of
over 293° F and vehicle speed was greater than 1 MPH. |
32 |
EGR open command did not change the fuel mixture when the command
was given during off idle operation. EGR opening should cause the mixture to be slightly
richer because of the low oxygen content of exhaust gas. |
33 |
MAP sensor signal voltage was too high (low vacuum) for 5 seconds
when throttle opening was under 6%. |
34 |
MAP sensor signal voltage was too low (high vacuum) for 22 seconds
when engine speed was under 625 RPM, or when engine speed was over 625 RPM and throttle
opening was over 20% for 22 seconds. |
35 |
Idle speed was over 200 RPM outside the desired engine speed
commanded by the ECM for 50 seconds. |
39 |
Transaxle clutch switch has failed 4 consecutive times. Vehicle was
at normal operating temperature and the speed went from 0 to 40 MPH or more and back to 0
again. |
41 |
MEM-CAL error. |
42 |
The EST signal did not change when the ECM applied bypass voltage to
the ignition module. |
43 |
Knock sensor signal voltage was either above 4.8 volts or below 0.64
volts for 10 seconds. |
44 |
Oxygen sensor voltage was under 0.2 volts for 60 seconds of closed
loop operation. |
45 |
Oxygen sensor voltage was over 0.7 volts for 50 seconds of closed
loop operation. Engine had been running for at least 1 minute with the throttle angle
between 3% and 45%. |
The Diagnostic Codes and Explanations are derived
from Manufacturer supplied Technical Data. WesTech does not guarantee the accuracy of this
Information nor can it be held liable for providing it. |