Guess the probe could have gone bad. Anyone know how to check one?

Pressure cap is good, and I don't have a reserve tank, been converted
to a diesel that doesn't use one [or at least I don't have one]

Thanks for the response.

Mike

On Jan 8, 2012, at 6:02 AM, Tom Torrella wrote:

> My 1.9 had same intermittent issue. The probe was replace solving
> the problem.
>
> Possibly two issues:
> Air in reserve tank off the water pump.
> Defective temp probe in same tank.
> Also check condition of pressure cap - tight?  leaking?
>
> TomT