Volvo RWD Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 1/2002

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Running rich and running rough

Barry,

What is the difference in symptom between running with the AMM disconnected and running with it in circuit?

The reason I ask this, is you have virtually eliminated the ECT and FPR unless some mistake was made in the tests you performed.

The only indications the ECU has for placing the injector duration program in limp home mode (when you disconnect the AMM) is the lack of mixture pot ( 5 volts on that line ) and the lack of hot-wire voltage or AMM output - something like 0 volts on that line. A defective AMM or connector problem could easily mimic those conditions.

I sure wish you could try a known good air mass meter.
--
Art Benstein near Baltimore






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Running rich and running rough [200][1986]
posted by  bb1551  on Sun Nov 3 12:00 CST 2002 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.