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International Automotive Technicians Network
Re: 96 LUMINA APV 3.4 RUGH ON ACELL WITH NO CODES
Posted to Technical Discussion Forum on 1/5/2005 5 Replies

short term trim .9 long 0 pre failure

short .2 long -4 at failure

performed back psi test for posoble restriction (pre cat)

At failure maf 66gm/sec

At failure map 3.8 volts

When fails goes open loop both o2 go high m,volts post n pre cat

Stored inf... Login to read more.

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