Knock Sensors was: RE: Poor Gas Mileage

From: Ned Vogler (NVOGLER@rghosp.chime.org)
Date: Fri Dec 05 1997 - 09:21:54 EST


cosmicfrog sez:

> If the octane is too low you will lose mileage. The engine has knock
>sensors that retard the timing to avoid knock. Extra high mileage may
or may
>not cause your mileage to drop. It is however, a waste of money.

I beg to differ, but our engines definitely do *NOT* have knock sensors!
I believe there was a thread about this some time ago, while our engines
are computer controlled, they don't have knock sensors. Most of the
newer CC FWD Turbo Vehicles have knock sensors, and I can't vouch for
the other manufacturers, but AFAIK, Daks don't have knock sensors (at
least thru the '96 model). If the '97-up models have one, then it's a
new feature. Can anyone confirm or deny??

Ciao!

> Ned Vogler
> (nvogler@rghosp.chime.org)
> '96 Dakota SLT V8 5-sp 4x4 Club Cab
> Gibson 3" Catback Exhaust/MPI FIPK-clone/Magnecor KV85 wires
> Brass Cap & Rotor/Autolite Platinums/Blaster 3 Coil
> MSD 6AL Ignition/MPI Super Street TBI w/Power Bridge
> Pioneer DEH-65DH/Pioneer TS-A5705/TS-626/SAS Bazooka A82-80
WCNB/HSSB/FCFL/DTW/DMF/TCBSR/DDBC
> http://www.geocities.com/MotorCity/9636/
>



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