peterslimmons Posted January 28 Share Posted January 28 As above the temperature gauge once the engine is warm will from Time to time just drop to 60 the after a little while will return to centre. it’s had a major service this week at Halfords nothing was found. anyone k ow what this could be. c-max 1.5 deisel 12 plate. please help Quote Link to comment Share on other sites More sharing options...
agraham Posted January 28 Share Posted January 28 Thermostat sticking open occasionally and causing over-cooling? 1 Quote Link to comment Share on other sites More sharing options...
EmdoPL Posted March 14 Share Posted March 14 I have a similar issue in my MK1, the temp gauge goes up to about 87*C, then drops to about 70, and then rises up again. This goes round and round. I noticed that the radiator fan keeps turning on when the temp reaches 70*C, but the hoses are a little warm, then when the thermostat opens, the hoses get hot and then a little warm again. Changed the thermostat assembly with the sensor included, not much improvement, but still. I guess this is some wiring problem or something wrong with the PCM, so no good news for You. 1 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.