do i have a spark problem coil pack?

1998 2.5liter dodge avenger

daughter drove car for 2 days to work 35miles one way .and when she returned it to me it would not start just crank.upon opening the hood i found the batt.on is side.and had to wiggle the ground neg.batt. cable in order for it to start. but it ran great as usuall.but after i came home ,(being 3rd time to turn engine off it will not start again) just cranks. checked the fuel pump and it is working changed fuel filter .could it have to do with the asd shutdown relay? plz help thanks what would be my next step ? the neg cable is tight and also clean at the motor and the battery

Update:

no leaking battery no spark?new battery

Comments

  • Note: you must find out if you are getting spark and fuel then start checking fuses and relays.

  • Don't fill the battery with tap water. Use distilled water. The minerals in tap water promptly destroy a battery.

    Check for spark, next with the spark plug out crank the motor and see if the injector is spraying fuel into the cylinder. Make darn sure you move the spark plug away from the hole in the head, because if it does decide to spark and the injector is injecting fuel, then you will have a pretty decent fire under the hood there. This isn't the safest practice, but it's certainly the quickest.

    It's either no spark, no fuel, or neither of both. Good luck!

  • No. interior the journey that your coil packs are working, in all probability the only element you're able to interchange is the boots or spark plug wires. in certainty, optimal coil packs are designed to very final as long with the aid of reality the motorized motor vehicle. There are some that do require being replaced on a similar time with the aid of reality the boots and/or spark plugs. i choose for for to propose checking with the distributors handbook or an intensive-via dealership that has people experienced in working on your make of motorized motor vehicle.

  • try looking in your fuse box

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