Quick question on coolant temp sensors
nacelp
nacelp at bright.net
Mon Apr 3 14:46:49 GMT 2000
> There appears to be 3 coolant temp sensors on my 89 F-body L98 motor. Is
> their functionality something like this:
> 1) CTS in intake manifold base - used by ECM as input parameter?
> 2) CTS in driver's head - possibly temp guage sender?
> 3) CTS in passenger's head - possibly temp switch/light sender?
Yep, or some variation there of.
> Does this sound about right, or does the ECM use the individual head
sensors
> for mixture control to that head? (Cold=more fuel, warm=less fuel?)
165 ecm drivers all the injectors the same.
> The passenger's head ate it's exhaust manifold gaskets. Looks like they
got
> too hot, but the driver's side gaskets appear to be okay. CTS on pass.
head
> has wire broke off. That's why I'm asking.
Welp, then something ain't working, what ever ain't working that's the
sender for it.
Was thinking maybe that side
> was running rich?
See above
Grumpy
Is this crazy talk? (Oh yeah, and can't get Diacom to
> link to ECM so I can't tell you any settings yet. SES light works, but is
> not being set.)
>
> Steve Marteney
> smarteney at xlvision.com
>
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