Bad Alternator.
After Starting or Jumping your vehicle: Remove the Negative Cable from the Battery.
If the Engine dies or runs really rough it is a bad Alternator.
The Battery Starts the Engine and runs nominal operations. The Alternator runs the Engine after it is Started by the Battery.
If the Engine does not die or runs really rough after removing the Negative Cable, then you have a malfunctioning Battery.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
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Would you please reconsider my rating (3) and bump me to a (4)? We do this for free and beside the joy of helping people, saving them money, the ratings are pretty much our only reward.
Thanks
Pat
Jon; Thanks for the change.
Was it the alternator?
Pat
NO DONT DISCONNECT THE BATTERY WHILE THE ENGINE IS RUNNING. the pcm requires 12v all the time. circuit damage of expensive parts can result
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Hi
Yeah the battery has recently been replaced however the problem still occurs.
I drove the car home from work, approx 6 miles, and enough charge was put into the battery to start the car twice, however after this the battery was dead again. Due to this I'm pretty certain the alternator is working correctly.
Thanks for your help
Jon
Hi, thanks for your help. I drove the car home from work, approx 6 miles, and enough charge was put into the battery to start the car twice, however after this the battery was dead again. Due to this I'm pretty certain the alternator is working correctly. However I will try the above over the weekend.
Thanks.
Jon
Hi Pat
Many thanks for your help - I have searched round and think I have now amended the rating.
If it's not, then let me know and I'll have another go at changing it.
Thanks again
Jon
Have you recently replaced the battery?
TEST FOR PARASITIC DRAW. if you have to drive it, you can disconnect it but never while the engine is running. with it off, put a 12v test light in series with a cable disconnected. in series between the post and the clamp. if there is a heavy draw the light will be bright. now leave it lit and eliminate circuits till you find it.
if the charge stays up when you leave the car parked and battery disconnected this adds to the evidence that it is a circuit draining the batt.
you better find outr what code is stored making that flashing warning light too. get it tested or borrow the tester and get a book if necessary.
alternator testing when you havent the right equipment should consist of removal and bench testing at the part store
sheesh
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