[200q20v] Overheating issues
QSHIPQ at aol.com
QSHIPQ at aol.com
Tue Feb 20 12:03:09 EST 2001
Bad water temp sender/s can give that reading. Can also prevent fans from
going off as well. I'd try jumping the radiator fan switch, then getting the
actual ohm readings off the water temps senders that the ecu uses.
HTH
SJ
In a message dated 2/20/01 10:40:16 AM Central Standard Time, C1J1Miller
writes:
> He said, the overheat alarm goes off almost as soon as it starts up, and
the
> coolant level is OK.
>
> I agree, sounds like the fan doesn't come on, and causes the "overheat"
when
> running for a length of time, but think he's also got low coolant or
trapped
> air in the system.
>
> I've recommended in the past that everyone swap out the fuse for the fan,
as
> it tends to corrode from the spray off the radiator fan. Less than a buck,
> and about a 2 minute replacement procedure. Keep the old one as a spare.
> Chris
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