Motor Vehicle Maintenance & Repair Asked on March 25, 2021
Yesterday, Sunday, my 2011 Grand Caravan 3.4 litre basic van did not start, plugged the block heater in at 4pm Saturday because it wouldn’t start then. So Sunday I put a heater in the engine compartment and covered the hood to the ground with a poly plastic for 3 hours, I went out it started and I drove it for 10 minutes down the highway, came home, shut it off and it restarted a couple of minutes later. Today block heater was plugged in overnight and went to start it no go. It sounded when it first turned over it was going to, but letting go of the key it stopped and then no restart again. Any help here, it’s -9 out today and yesterday was -6
Thanks Robin
I would check the MAF, and the intake air temp sensor and the coolant temp sensor not the one that feeds to the guage.
If you can get a vehicle code scanner or barrow one. Make sure you check out the live data on those sensors. If the sensor is bad it will show a unrealistic temp for the conditions. Like if the engine is cold and it reads 100deg or if you know the temp outside and the engine is room temp and it is reading more than 7 degrees off in either direction use reason. The MAF or MAP signal should be stable and not jumping all over while not cranking viewing in graphing mode is easier. MAF should still be showing a reading that is not 0 volts and not higher than .5 when engine is stopped.
Answered by Michael Prokopec on March 25, 2021
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