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How come my 1999 Toyota Avalon - Won't Start after New Battery installed and mechanic tested the electrical system?


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2006-07-21 17:36:25
2006-07-21 17:36:25

For a car to run, you need three things at the right times. Gas, air, and spark. If the electrical system is good, then you're down to gas and air. It could be your fuel pump, injectors, fuel filter, fuel lines, etc. You should also check your intake system. You could have a badly clogged air filter, any number of sensors could be dirty,bad or unplugged, including MAP (Manifold Absolute Pressure), MAF (Mass Air Flow), IAC (Idle Air Control), TPS (Throttle Position Sensor) or possibly even and Oxygen sensor. There are more, but these come to mind first. Your timing could also be off, but it's controlled electronically, and isn't adjustable, so I doubt this is it. Perhaps check your timing belt to make sure it isn't damaged, because if it's split, then your valves aren't even opening and closing. Hope this helps.

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Perhaps a weak battery? How old is battery?

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Yes, they are glass instead of plastic though. This works for 98 model lamp assemblies installed in a 95 Avalon

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Take it to a parts store to be tested

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Insert your key into the door lock and turn.


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