1996 MAF Sensor reading
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New Member
Joined: Mar 2011
Posts: 65
From: Victoria BC, Canada
1996 MAF Sensor reading
When engine stopped MAF sensor is reading 0.28 gram / second.
Is this normal?
P0171 & P0174 codes present. 62 lbs fuel pressure holds for 5 min. No manifold leaks, power brake booster or vacuum accessories leaks. Engines runs smooth. No drivability or starting problems.
Is this normal?
P0171 & P0174 codes present. 62 lbs fuel pressure holds for 5 min. No manifold leaks, power brake booster or vacuum accessories leaks. Engines runs smooth. No drivability or starting problems.
Junior Member
Joined: Apr 2012
Posts: 368
From: Vancouver, BC, Canada
At idle the MAF should be reading close to the size of the engine 4-5 g/s.
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New Member
Joined: Mar 2011
Posts: 65
From: Victoria BC, Canada
Engine warmed up idling @650 rpm MAF reads 4.81
Bank 1 Long Term Fuel Trim @ 650 rpm = 23.67
Bank 2 Long Term Fuel Trim @ 650 rpm = 19.87
Far as I can tell its the original CSFI. Hoping the problem is the MAF reading too much air, causing the ECM to enrich fuel to the limit of the fuel map, triggering the Bank 1 DTC.
Bank 1 Long Term Fuel Trim @ 650 rpm = 23.67
Bank 2 Long Term Fuel Trim @ 650 rpm = 19.87
Far as I can tell its the original CSFI. Hoping the problem is the MAF reading too much air, causing the ECM to enrich fuel to the limit of the fuel map, triggering the Bank 1 DTC.
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MikeForS
2nd Generation S-series (1995-2005) Tech
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Mar 25, 2006 04:43 PM