Cranks but wont start

Classic Rocker

Asked by Aug 20, 2015 at 10:52 AM about the 2003 Dodge Neon 4 Dr SXT Sedan

Question type: Maintenance & Repair

I installed a new radiator in my wife's car and now it wont start. She drove it to the place I did the repair and it started and ran good. I removed the air cleaner box and ECM that is mounted to the left core support to access the radiator but I didn't disconnect any of the wiring except the battery to keep from shorting anything out. I reassembled the new radiator, checked everything over connected the battery and filled the cooling system. When I went to start it, I couldn't get it to start. I can hear the fuel pump come on then off. Very confused any help please?

4 Answers


Check that the ECM is securely mounted and grounded. The ECM is probably grounded to the chassis by the outer metal shell. Sounds like when you moved the ECM a bad ground connection was created. HTH. -Jim

Classic Rocker

Thank you, I will remove the ECM and clean the mating surfaces on both sides. It sounds reasonable and I hope you are right. Thank you Jim

1 out of 1 people think this is helpful.

You're welcome. Glad to help. -Jim

Nikki Steffensmier

So this happened to me also expect I was able to drive it but it over heated and instantly shut down. it will crank but not start. I should say the radiator was replaced before I bought the car.

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