Question about 1997 Dodge Ram 1500 Club Cab

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Im burning up my catalytic converters as soon as i put them on, I have changed every sensor on the throttle body,O2 sensors, Plugs,cap,rotor,theres nothing else to change to my knowage, anyone have a clue to what is causing this

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  • stntt3 Oct 04, 2010

    wouldnt open injectors cause it to run rich and just smell like rotten eggs, and if I had a injector that was not working and cause it to run lean,wouldnt I notice a miss, the thing runs great, If I am wrong with what I just said please let me know

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Sounds like you are dumping fuel from somewhere. one of the injectors are staying opened or just not burning the fuel before leaving the combustion chamber. Is it hard to start after sitting a while if so u probably have a leaking injector

Posted on Oct 03, 2010

Testimonial: "Thomleyt is very knowaged as I am too, He has mentioned all the same things to solve my problem that I have done and maybe have solved the problem,Tim"

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  • stntt3 Oct 04, 2010

    46 seconds ago wouldnt open injectors cause it to run rich and just smell like rotten eggs, and if I had a injector that was not working and cause it to run lean,wouldnt I notice a miss, the thing runs great, If I am wrong with what I just said please let me know
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    Solution 1posted 2 hours ago
    thomleyt
    Rank: Master
    Rating: 40.00%, 1 votes



    sounds like you are dumping fuel from somewhere. one of the injectors are staying opened or just not burning the fuel before leaving the combustion chamber. Is it hard to start after sitting a while if so u probably have a leaking injector XLeave your feedback for the Expert!
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    Can you help others by solving these problems?
    my 97 dodge ram check engine shut off i change my 97 dodge ram check engine shut off i change the battery cables post.auto zone sayed its misfiring
    - posted in Cars

  • thomleyt Oct 04, 2010

    if an injector is staying open it is causing fuel to enter chamber even when it shouldnt causing raw fuel not to be burned and enter the cat. if the cat. gets too much raw gas it can get clogged but yes that would smell like that though . My concern is that an excessive amount is entering the cat. Normally a leaking injector makes one hard to start b/c of lack of fuel pressure. Also check the fuel pressure in general a pressure regulator or clogged return if equipped could cause it 2. let me know

  • thomleyt Oct 04, 2010

    also make sure that the muffler isnt some how clogged causing too much back pressure and burning up a catalytic converter. I apologize for not mentioning that sooner.

  • stntt3 Oct 04, 2010

    Thanks for writing back, It is a 1 ton flowmaster muffler, I also changed the fuel pump because at idle the fuel pressure was normal and figured it out that during acceleration it wasnt getting the fuel it was asking for, I just changed the plugs and the cat is turning gold, not blue, I believe that is the color it is suppose to get, I might have had a bad plug, but saw no miss or code, The computer might have made it run OK without showing error,Thank you for your feedback on this, I am going to see if it is right now

  • thomleyt Oct 04, 2010

    R u burning oil? the intakes are known for leaking. The belly pan under neath the intake is prone to leaking and sucking oil into the engine. you can pull the breather hose off and stick finger over it while running for a few seconds if it is working properly when u take finger off of hose it should release pressure if the pan is leaking it will ****. A side note also on the tune up PLEASE use the recommended plugs they r the champion plugs an rc12yc4 or something like that it should say on the sticker under the hood. Your bosch and things like that r no good for these vehicles they will soon misfire I have seen it a hundred times before. let me know if we r getting anywhere I sure hope you dont burn up another cat. before problem is solved.

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