Question about 1999 Volkswagen Beetle

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I just replaced the radiator, it had been damaged by driving over some object(do not what, a friends car). The battery was old with a dead cell so I replaced it. The engine will crank but, then shuts off. The car was running fine prior to the damage.

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  • raalbritton Jul 22, 2009

    I did have to insert the spade terminals back into a connector to one of the fans. Would the terminals inserted incorrectly cause this problem. I have a code reader but, I have not used it yet.

  • raalbritton Jul 22, 2009

    I see, I did insert the spade connectors to one of the fan motors, could they be connected incorrectly to cause this problem?



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If there is no other damage to the engine, and the only problem was the radiator, then you may have left some open connector when replacing radiator.
Check the contacts to radiator thermostat sensor (the ones that start the fan).
Check the air intake, there are two sensors in there (MAF AIT) if you messed up wiring to sensors, the car will crank and turn off.
Check that there is spark on all plugs. Check wiring from distribution.
Ensure that fuel pump is working and have pressure.
Test power to injectors.

If you want to know for sure what the problem is you must connect the car ECU (computer module) to an OBDII scan reader and get stored fault codes, this will tell you what is wrong with the car.

Here the tools you will need to test the car at home.
If you want to DIY this is the only alternative to the garage, unless the problem is obvious (eg you see open connector at a glance):

OBD II Code Reader

Vacuum and Fuel Pump Tester Kit

SPX 3398 OTC Fuel Injection Pulse Tester

Actron CP7848 Pocket Electrical Tester


Posted on Jul 22, 2009


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You don't disconnect anything on today's
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Put in a new battery,start the car, warm it up
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