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Re: Battery light came on car started backfiring loosing...
Check battery voltage with car off. Start car, check voltage again. Have a helper rev the engine slightly (hold RMP's around 2000). If low with car running as well (less than 12v) suspect bad alternator.
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Replace your alternator its loose power and backfiring because you dont have enough voltage/amperage to run the pcm ignition module and fuel pump. At least thats a best guess with what little info I have to work with
if this the problem uusually these are near the starter usually easy to find because they will be burnt ..start with the easy things first.
Dead battery, corroded batt cable loose batt cables, loose bat cable at starter, loose battery at the ground battary cable.
I assume there's a problem with alternator. Check the grounding to engine, check continuity of a positive wire between alternator and battery. the energizing voltage should be checked as well. Might be the bad connection between battery and vehicle body grounding. Diesel cars are sensitive even in a little loss of connection and rust in the connection points.
Well, check the connection to the starter, and see if it is loose. If it isn't, I think you need an alternator. That's what makes the light come on. If it is loose, tighten it, and your problem should be solved.
Several possibilities: fuel filter may be plugged, fuel pump may be going bad and under-pumping. Ignition system may have a problem, or charging system may not be putting out enough voltage to power the ignition system (but usually accompanied by no start /low battery condition) If dash warning light comes on when this happens, have a code check done (most large parts houses do this free) Also have charging system tested. From what you said though I'm leaning towards the filter or pump as the cause of your problem.
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