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> > I checked Temperature Sensor I (in the head), here are some readings I got: > > 1588 ohms - outside temp ~62F, engine cold > > 1300 ohms - outside temp ~70F, engine cold > > 0530 ohms - started car for a minutes to check "hot" reading > > > > Temperature Sensor II read: > > 350 ohms - outside temp ~62F > > 200 ohms - car was "hot" as above > > > > Temperature Sensor I seems low based on this thread: > > http://listarchive.type3.org/archives/2001/february/msg00042.html > > > > Are the specs in Bentley? I didn't see them in the Fuel System section. > > I don't think the Bentley shows them, but they might be in the info column in the FI system check list. Bosch just gives 3 resistances at each of 3 temps for each sensor. > Where is this check list? I did find a value of 2500 ohms in the listing for using the FI tester box on the head temp. sensor. There is no outside temperature correlation. > > Replace Temperature Sensor I? If yes, should I buy new (~$20) or ? > > I forget, is your charging system voltage up to normal now? If not, fix that first. > Yes, I have a new regulator that reads over 14v at the battery. > Check to make sure that all 4 cylinders are firing, as that can waste fuel. > All 4 are firing according to my timing light and a visual check. > Make sure that the pressure sensor hose is attached at both ends. > It's is. The hose is older but I trimmed the ends so they are tight. I did notice the adjustment screw is not sealed so hopefully no one adjusted it.