| 92 2.2L VIN 4 |
| 13 |
Oxygen sensor voltage stays between 0.35 and 0.55 volts for 40 seconds.
Engine was at normal operating temperature and had been running for at least
2 minutes after start with a throttle angle above 5%. |
| 14 |
Coolant temperature sensor signal indicates a temperature below -30° F
or above 275° F for 3 seconds after the engine has been running for 2 minutes. |
| 21 |
TPS voltage was above 3.9 volts for 5 seconds when the MAP sensor signal
showed manifold vacuum to be 15 pounds or more and engine speed was less
than 1750 RPM or TPS voltage was below 1.9 volts for 64 seconds. |
| 23 |
Inlet air temperature sensor signal showed an air temperature below -30°
F or above 302° F for more than 2 seconds after the engine has been running
for 2 minutes. |
| 24 |
When engine speed was between 1400 and 3600 RPM and the MAP signal showed
low voltage (high manifold vacuum) for at least 5 seconds. |
| 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 higher than 3.7 volts for 5 seconds when
throttle opening was under 5%, or MAP sensor signal was lower than 0.3 volts
when throttle opening was over 15%. |
| 42 |
The EST signal did not change when the ECM applied bypass voltage to the
ignition module. |
| 44 |
Oxygen sensor voltage was under 0.27 volts for 25 seconds of closed loop
operation. |
| 45 |
Oxygen sensor voltage was over 0.7 volts for at least 50 seconds of closed
loop operation. |
| 51 |
ECM error. Check that all ECM connections are good and recheck ECM. If
code 51 still exists then replace ECM. |
| 66 |
A/C refrigerant pressure voltage was either less than 0.3 volts or greater
than 4.9 volts for 5 seconds. |
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