1987 VOLVO 760 CRANKS WILL NOT START

  • Tiny
  • dbristor
  • 1987 Volvo 760

Electrical problem
1987 Volvo 760 4 cyl Two Wheel Drive Automatic

1987 Volvo 760 cranks and will not start with the following parameters:

Reference: Volvo wiring Diagram section 3 (39) page 16 & 17 LH-Jetronic 2.2 B230FT
1. Fuel pressure is 38 to 42 PSIG at fuel rail

2. Relay 464 radio interference suppression -
With power (relay energized) on 12.7vdc to the 376 ballast resistor as well to the green leads at the fuel injectors

3. 0.7 ohms from any one of the 4 injector connectors to pin 13 at 217 Control unit
4. Does NOT receive a signal to ground at the injectors for pin 13 to injectors
5. Obviously all the fuel pump fuses are good (good fuel pressure) as well as a satisfactory fuel pump relay as the fuel pumps (both in tank and main pump) are operational.
I would appreciate any suggestions – perhaps the engine control module is defective?

Thank you

Dave

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Friday, September 12th, 2008 AT 5:57 PM

1 Reply

  • Tiny
  • Jack42
  • Member

Might want to do some testing of the MAF (Mass Airflow Meter) Volvos wont run if it doesnt see air moving through it. Do you have spark and just a lack of injector pulse?

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Tuesday, September 16th, 2008 AT 8:53 PM

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