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> Obd-ii Test Results
dadto5
post Jun 26 2008, 05:11 PM
Post #1


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Group: Members
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Joined: 12-June 08
Member No.: 44,007
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Location: Ohio
Drives: 1989 Volvo 740GL Wagon



* Fuel from code results


1-2-1 MAS this is after I pulled it with the engine running, it reset fine after clearing codes
3-1-1 Speedometer signal What effect will this have?? Speedo does seem to stick, but I thought it was a gear


* Ignition test code results

1-4-4 Bad fuel injection relay; faulty wiring from LH to EZK; bad LH module WHAT IS LH and EZK
2-3-4 Faulty wiring or TPS; TPS adjusted incorrectly

* Cleared all codes and made some adjustments.


* Then ran a full mode 2 test with the following results; I did not get a RPM test code, I did not get compressor OK code , and I did not get Engine idle code.

not sure why I didn't get RPM test code, it tested fine when I pulled the coil and cranked.

* Then ran full mode 3 injection test with the following: Fuel injector tested ok, IAC tested OK (sounds like flapper being picked up and dropped), I did not get cold start valve test, I did not get a radio suppression relay (I assume it runs the pump momentarily), and I did not get fuel pump relay test (I assume it runs the pump momentarily) But the car starts and drives?


Anyone have any ideas. Car occasionally acts as if Engine lacks power; stalls; doesn't start or is jerky, I assumed a injector relay which was confirmed by the OBD code 1-4-4

I know this is long and discombobulated.
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