GM Service Manual Online
For 1990-2009 cars only

Engine Controls Components for Chevrolet Chevy P42 Commercial Chassis 1997

Name

Location

Locator View

Connector End View

Group No.

Balance Fuel Pump

On Inside LH Framrail near front of rear Tank

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Balance Fuel Pump Relay

On Fuel Pump Balance Module

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Connector, PCM C1, Brn

RH side of the engine compartment

01-24, Fig. 38

202-101

3.670

Connector, PCM C2, Brn

RH side of the engine compartment

01-24, Fig. 38

202-102

3.670

Connector, PCM C3, Blu

RH side of the engine compartment

201-24, Fig. 38

202-103

3.670

Crankshaft Position Sensor

LH lower, front engine cover

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--

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Electronic Accelerator Pedal Module

Includes Accelerator Pedal

--

--

--

Electronic Fuel Injection Pump

Top of engine

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--

--

EGR Control Pressure/Baro Sensor

On bulkhead, RH of steering Column

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--

--

Engine Coolant Temperature (ECT) Sensor

Top front of the engine on the thermostat crossover housing

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--

--

Exhaust Gas Recirculation Pulse Width modulated Solenoid Valve

Left rear top of engine

201-16, Fig. 22

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--

Exhaust Gas Recirculation Valve

Top of engine

201-16, Fig. 22

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--

Fuel Pump Oil Pressure Switch and Sender

Under intake manifold center of engine

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--

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Fuel Pump Prime Connector

I/P Harness, aprox. 20 cm into Fuse-Relay Center Breakout

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--

--

Fuel Pump Relay

In relay center

--

--

--

Glow Plug Relay

LH rear of engine

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--

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Intake Air Temperature Sensor

In air intake duct

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--

--

Powertrain Control Module (PCM)

Under RH end of I/P, above blower motor

201-24, Fig. 38

202-103

3.670

Optical/Fuel Temperature Sensor

Inside fuel injection pump

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--

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Underhood Fuse-Relay Center

LH rear of engine Compartment, on fender

201-4, Fig. 8

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Wastegate Solenoid

Left rear top of engine

201-16, Fig. 22

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