Hiccups and a sputter
My YJ has been hiccuping recently. It only hiccups when I'm in 5th gear on the interstate. Anytime I run about 2,000 RPM+ can be sure to expect a few hiccups along the way. When it jolts my shift light comes on and I lose about 100-250 RPM on the tach and then it returns to normal until the next one. On the way home from work she was hiccuping real bad and I could hear a little backfire/sputter, but luckily i got to my exit. I don't have any problems in any other gear but 5th, so I'm not even sure where to begin. Can anyone help me?
Could very well be a symptom of a bad cam sensor. (the one in the distributor) It will cost you about $45 and all you need to do is to pull the cap and rotor. The sensor just lifts out and has a harness plug. It can, and will leave you stranded with a code 54 one of these days. Sent from my iPhone using JeepForum
thanks for the reply. I got the part and installed it along with a tune up. Its still hiccuping (sudden jerking) and the shift light comes on. It seems to do it more when I let off the gas or going up an incline on the highway. I'm not sure if I have a bad throttle position sensor or if there is something wrong the transmission. I dont have problems with it starting or stalling, so I'm not sure if the TPS is bad or not.
nope. sure didn't. and would only happen when cruising on the highway. the poor pump just couldn't keep up anymore but hey it was the original with 190k miles on it and for the record i did test my cel and the light was fine it just didn't throw a code
Ok so I installed a new fuel pump and strainer. I drove around on the interstate and after 30 mins it started doing it again. As soon as I get to 2,000 RPM it jolts and does it anywhere from every 5-10 seconds to every 1-3 minutes. I still get the same up-shift light as before. The only code I get for the Ole' girl is a code 35 for the cooling fan, and I don't see how that could have anything to do with what is going on. I am so confused about what is going on I'm at a loss. If anyone has any idea of the problem, any and all info and help would be appreciated.
Well I've put about 300 miles on it since the tune up and fuel pump change. I guess it just doesn't like to go fast anymore. I can't figure it out and none of my mechanic buddies know either. I have noticed it tends to happen more frequently when I have a full tank of gas, but still no codes, nothing....
|hiccup , sputtering|
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