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93 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 1700 and 3600 RPM and throttle position angle was less than 1%, the MAP signal showed low voltage (high manifold vacuum) for at least 5 seconds.
25	Inlet Air Temperature Sensor signal showed an air temperature over 304° F after the engine has been running for 5 minutes and 20 seconds and the vehicle speed was greater than 15 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 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 0.700 volts for at least 51 seconds of closed loop operation. Throttle angle was above 5% and engine had been running for at least 2 minutes.
51	EPROM error.
53	Battery voltage was higher than 17.1 volts for 0.2 seconds, or below 10 volts for 4 minutes.
55	Oxygen sensor voltage was less than 0.3 volts for 5 seconds of closed loop operation.
66	A/C refrigerant pressure voltage was either less than 0.19 volts or greater than 4.9 volts for 15 seconds, or the pressure voltage was above 4.0 volts when A/C clutch was not requested.

93 2.2L VIN 4

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%.

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.

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.

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.

When engine speed was between 1700 and 3600 RPM and throttle position angle was less than 1%, the MAP signal showed low voltage (high manifold vacuum) for at least 5 seconds.

Inlet Air Temperature Sensor signal showed an air temperature over 304° F after the engine has been running for 5 minutes and 20 seconds and the vehicle speed was greater than 15 MPH.

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.

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%.

The EST signal did not change when the ECM applied bypass voltage to the ignition module.

Oxygen sensor voltage was under 0.27 volts for 25 seconds of closed loop operation.

Oxygen sensor voltage was over 0.700 volts for at least 51 seconds of closed loop operation. Throttle angle was above 5% and engine had been running for at least 2 minutes.

EPROM error.

Battery voltage was higher than 17.1 volts for 0.2 seconds, or below 10 volts for 4 minutes.

Oxygen sensor voltage was less than 0.3 volts for 5 seconds of closed loop operation.

A/C refrigerant pressure voltage was either less than 0.19 volts or greater than 4.9 volts for 15 seconds, or the pressure voltage was above 4.0 volts when A/C clutch was not requested.

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