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This is what the service manual has to say about the knock sensors.
The knock sensor retard system is designed only for emergencies. The basic ignition timing is programmed within the anti-knocking zone, if recommended fuel is used under dry conditions. The retard system does not operate under normal driving conditions. If engine knocking occurs, the knock sensor monitors the condition. The signal is transmitted to the ECM. The ECM retards the ignition timing to eliminate the knocking condition.
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Silver 4x4 SE CC, Born 3/04
Graphite Titanium
Off Road/No Locker, BIG TOW/VDC
Step Rails, Truxedo,
Gibson Cat Back, AEM Brute Force CAI
Hood Protector, Tinted Windows
My other car is a diesel
(02 VW Jetta TDI, 49 MPG)
Rockwood 2306 Travel Trailer
Equalizer Hitch, Prodigy Controller
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