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I bought a 99 f 350 with the triton V 10. The guy i bought it from said he had to jump it all the time to get it to start. Replaced a bad ground strap and still has to be jumped in order for it to start. I have charged the battery overnight and tried to start the truck only to have it turn over and not fire. Then other times I can jump the truck let it run for awhile turn it off and then restart it right up. I just dont get it.. Thanks everyone for your time and help with this..
If I were in your shoes , I would cover the basics first;
1- Get an VOM-meter ( $4.99 @ Harbor Freight , $10 Wallyworld) . Check battery connections .
2- Check the state of your battery (a good battery should have 12.3 -12.8 Volt DC ) When engine is NOT running , battery cold .
3- Check the state of your alternator . While engine is idling , you should get in the neighborhood of 13.5-15 Volt DC . Also check charging "Under Load" which means while A/C or Heat is on , headlights, fan are on (and throttle approx. 2000 rpm ) your alternator charge should be 13.5 V or higher .
4- Now , you know the condition of your battery and alternator . If they are not the problem , report back here . May be, at the next step you may have to test your starter/solenoid and after that cleaning/ replacing IAC valve , fuel pump pressure test , etc.....
Good Luck,
PS.If you have "check engine light " on , get the error code(s) ( @ AutoZone )
replaced 2 batteries before i got a good one. Took one off my chipper to try it and did the same thing. So on a whim I took the batteries to Les Schwab here and had them check them. Both were bad. Got another one from our local wrecking yard and finally got the ol girl to fire up..And on its own..
If I were in your shoes , I would cover the basics first;
1- Get an VOM-meter ( $4.99 @ Harbor Freight , $10 Wallyworld) . Check battery connections .
2- Check the state of your battery (a good battery should have 12.3 -12.8 Volt DC ) When engine is NOT running , battery cold .
3- Check the state of your alternator . While engine is idling , you should get in the neighborhood of 13.5-15 Volt DC . Also check charging "Under Load" which means while A/C or Heat is on , headlights, fan are on (and throttle approx. 2000 rpm ) your alternator charge should be 13.5 V or higher .
4- Now , you know the condition of your battery and alternator . If they are not the problem , report back here . May be, at the next step you may have to test your starter/solenoid and after that cleaning/ replacing IAC valve , fuel pump pressure test , etc.....
Good Luck,
PS.If you have "check engine light " on , get the error code(s) ( @ AutoZone )
Thanks for the advice. I already replaced battery cables and cleaned all ground connects. Tried 2 different batteries to find out both were bad. what are the odds of that. I knew it had to be something stupid usually is and was. But I will becleaning the IAC valve anyway real soon. Rather be safe than sorry.. Any way thanks again for the help.....