I have a '98 dodge ram 1500 4×4 pickup that won't start.?

The starter is fine and fuel pump pressure seems ok. I replaced the distributor cap , engine coil and spark plugs and nothing worked. My truck was running fine until now, do you think it could be the timing chain??

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3 Responses to I have a '98 dodge ram 1500 4×4 pickup that won't start.?

  1. dodge man August 3, 2010 at 7:54 am #

    run a compression check on the engine to see how much it has on each cylinder this might help you with finding out whats wrong with it,a bad crank or cam sensor will make it not get fire to the plugs so id be sure and check those also,good luck.

  2. Daniel H August 3, 2010 at 7:54 am #

    You most likely need to check for engine codes or trouble codes Autozone has a relatively cheap tool that may help you determine the problem you are having but it seems to me that you possibly have a bad crank sensor located on the back of the engine block on the top of the trans. they go out quite often. Does your truck sound normal when cranking the engine? If it does then you probably dont have a bad timing chain you can tell if the timing chain went bad by the sound of the engine during cranking and if it was the timing chain at some point it would backfire through the engine or exhaust while cranking. Check the crank sensor first…..

  3. dakota97slowpar August 3, 2010 at 7:54 am #

    ASD relay in the Engine control block drivers side under the hood, try swaping relays with identical ones (usually A/C) if that fixes it then ther you go. 10$ at napa