Turbo diesel, cranks but does not start when it is cold.
I have a turbo diesel. If the engine is not started for a few days in winter, when it is cold, the engine sometimes cranks over but will not start, causing the battery to flatten. Last winter I had the battery replaced and the starter motor overhauled. It did not start this morning. Any ideas?
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Re: Turbo diesel, cranks but does not start when it is...
Have the cold start valve replaced, it enriches the fuel mix during cold start and check the glow plugs and see if any are bad, to test remove the wires and put test meter to ohms and one by one test each glow plug with one probe to ground and one on the tip of the glow plug see it it goes close to zero if it does not move then that glow plug is bad, replace all that you find bad.
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Have you changed your fuel filter? Pump ok otherwise would be doing it all the time. Injector pump on some of these has a thermal advance solenoid on the side of the pump If so check power going to it Also check glow plugs and after timer
Right way to do this is to match the post position & case size, then buy the battery with the highest cca you can afford. Don't use less than the one that's in the car now. Turbo does not require more cca than non turbo...it creates no extra drag on the engine when starting. Higher cca will help with cold starts and hot weather, generally not being "worked hard" will also extend it's life.
Charge the batteries. take a Reading to make sure that you are getting almost 14v to both batteries. If it is not charging then take the alternator back off and have them check it. you might have bought a bad one. There is a way to test the glow plus with out taking them out. ( Take a piece of wire long enough to reach all the glow plugs from the battery. unplug the glow plug wire.If you touch the end of the glow plug with the hot wire it should make a little spark. if no spark then the glow plug is bad. do this to each one, but one at a time)
If it has glow plugs or an intake heater you will need to disable the circuit. Then you can use a small amount of ether to spray into the air cleaner.!!! If you spray too much and/or Dont disable the circuits you can damage the motor!!! When you spray the ether, if the engine starts and stalls then its not getting fuel. This could be related to the fuel pump, injection pump, the fuel system loosing its prime(fuel line leak), fuel shut-off valve or solenoid. If it doesn't start then it could be related to your timing, valves or maybe compression.