Higginbotham, David A. wrote: > My 82 aircooled van is having hard starting problems the engine is hot. > It cranks, and cranks, and cranks, and cranks and finally starts while I > am feathering the gas pedal. I have been told this may be a temp > II/cylinder head temp sensor problem. The Bentley specs that at an oil > temp of 68 deg F the resistance should be 2100-3100 ohms and at 176 deg > F it should be 270-390 ohms. When the engine is cold I am getting a > reading of 1340 ohms, when the engine is hot I am getting a reading of > 34 ohms. Is this enough of a difference between the Bentley specs and my > readings that I can safely assume this sensor is bad? > > Thanks, > David Higginbotham > 82 Westfalia > Silk Hope, NC While I would say if it's off spec like that you should replace it (it's an easy replacement) I would first be looking for a vacuum leak. Just MHO but I've found starting problems like this are more often related to vacuum. Specifically I found at least one leak where the clamp a previous owner put on to hold the rubber fitting cut into it and it was nearly impossible to notice without removing the clamp.
-- Wil
"I went to the bank and asked to borrow a cup of money. They said, "What for?" I said, "I'm going to buy some sugar."" -- Steven Wright |
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