Everrd01 Posted April 22, 2023 Report Share Posted April 22, 2023 I have a 2013 Journey SXT 2.4l FWD and this issue has been present for pretty much the last 3 - 4 years. The car runs great, except when traveling on the hightway in 4th gear and you need to add throttle to pass or go up a hill, the car will sputter like it is miss firing, if I press the throttle to get in to shift down to 3rd gear, it runs just fine. I have changed the throttle pedal assembly, the throttle body, intake gasket, and the throttle body gasket, all with no change in the symptoms. To me, it seems that the transmission doesn't know that it needs to downshift. Anyone have any thoughts or suggestions. Quote Link to comment Share on other sites More sharing options...
2late4u Posted April 22, 2023 Report Share Posted April 22, 2023 (edited) the 2.4 plugs need to be changed every 24k-30k,only use the ngk OEM copper plugs for best results,start with them if you havent done this cheap and easy...also how many miles? Edited April 22, 2023 by 2late4u Quote Link to comment Share on other sites More sharing options...
John/Horace Posted April 22, 2023 Report Share Posted April 22, 2023 What codes are still showing up. In overdrive , 4th gear is when a bad plug or coil will be more noticeable. Copper spec plugs do run the hottest and wear out the fastest. Quote Link to comment Share on other sites More sharing options...
Everrd01 Posted April 22, 2023 Author Report Share Posted April 22, 2023 The car as 130k miles and I can't remember if I have ever changed the plugs and I've owned it since new. I know, beat me with a wet noodle! I guess that I can start with that and I'll pick up an el' cheapo ODB2 reader and see if I get any codes from it. I'll keep you posted. Quote Link to comment Share on other sites More sharing options...
2late4u Posted April 23, 2023 Report Share Posted April 23, 2023 (edited) 2 hours ago, Everrd01 said: The car as 130k miles and I can't remember if I have ever changed the plugs and I've owned it since new. I know, beat me with a wet noodle! I guess that I can start with that and I'll pick up an el' cheapo ODB2 reader and see if I get any codes from it. I'll keep you posted. my daughter had the 2.4 engine in her mail jeep and i just changed her plugs every 30 k , and about the 3rd time i bought the plugs off amazon the company was out of the reg plug but sent me the iridium plug that was supposed to be better and last longer,,,guess what less than 2 weeks later i was pulling them out and got the normal oem copper plug from the local auto store and she didnt have any more problems, also there is a pcv valve that can go bad and is super easy to change out,,,also dont overlook the air filter.... Edited April 23, 2023 by 2late4u Quote Link to comment Share on other sites More sharing options...
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