Massive Knock retard. Help

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Apr 12, 2003 | 03:42 PM

Mkos1980

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From: Macedonia ,OH

Car: Formula

Engine: 6.0 LSX

Transmission: 4L60E

Axle/Gears: 9 Bolt 3:27

Massive Knock retard. Help

Help!!!! 2 days ago i have been getting massive retard during normal driving.. driving at 70 with no laod and crusing it'll jump to 35 degrees retard although my Spark advance it only 34. i cant drive the car without retard now. any clue? egr new , knock sensor new , maf new. No clue. I am thinking ecm or esc? Thanks

Apr 12, 2003 | 10:42 PM

Ukraine Train

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Joined: Nov 2001

Posts: 1,526

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From: Cleveland, OH

Car: '87 Camaro LT

Engine: 355 L98

Transmission: T56

bad knock sensor maybe?

Apr 12, 2003 | 11:26 PM

Mkos1980

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Supreme Member

iTrader: (8)

Joined: Jan 2000

Posts: 3,968

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From: Macedonia ,OH

Car: Formula

Engine: 6.0 LSX

Transmission: 4L60E

Axle/Gears: 9 Bolt 3:27

New one. When open loop 0 knock no matter ho wmuch i get on it. the longer i drive the worse it gets. by 20 minutes of driving i was getting 40 counts of retard crusing at 70 MPH and 2100 RPM 65mph no knock give a tad of gas to get to 70 40 counts get past 75 0 counts. its i nthe 1900-2400 RPM range