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A buddy of mine at work has a Gran Prix and his gauge is showing a knock on a particular cylinder consistently. When the computer senses this knock, it retards
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07-08-2016, 08:59 AM
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#25 (permalink) |
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A True Z Fanatic
 
Join Date: Aug 2011
Location: Cleveland, OH
Age: 71
Posts: 1,830
Drives: 2010 (40th) #706
Rep Power: 16887   |
A buddy of mine at work has a Gran Prix and his gauge is showing a knock on a particular cylinder consistently. When the computer senses this knock, it retards the timing and the car runs rough. It turned out to be a loose motor mount, and his header was hitting something causing the knock sensor to "believe" that this cylinder was misfiring.
The sensor cannot determine if the noise is from an actual "knock" or an external noise so there may not be anything wrong with the sensor. May not be the problem here, but something to consider...
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40th Anniversary 'Z', 312.06HP/260.58TQ (Dynosty EcuTek Tune) Build Date/Number: 1/27/2010 #706 Berk HFC + CBE, R2C CAI, Clear Bra, Cleveland Z Club[/COLOR] |
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