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lots of hesitation, almost not drivable


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Ok after a successfull wheel bearing transfer and almost 50 mile drive home I actually thought to myself, "This thing is really running good". Well that didn't last long. On my way to work this morning I right away noticed some hesitation but didn't think much of it. A couple miles later I noticed that everytime I accelerated the car it would start out choppy like it was missing or not getting fuel then level out a bit with more rpms and then when I get ready to "cruise" hold the rpms pretty low it really hesitates, the car shakes back a forth and has not guts. I also noticed it would do the same thing while parked in neutral at about 2500 it cuts out and hesitates. I did fill up with fuel before the trip out yesterday could this be bad fuel, fuel injectors? Some insight would be very helpfull. 91' loyale 4wd manual. 185,000 miles

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try pulling the engine codes, with spfi its easy to narrow down a faulty component. you may have a buggy throttle position sensor, sometimes clocking it will fix any tps issues. try the codes per the article in usrm> miscellaneous and report back

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yeah I'll give it a try tomorrow sometime, really strang how I got one thing fixed and then something totally random and out of nowhere come along... crazy, I did at one point have some very sparatic idle then the engine light came on and read a bad tps, could this also cause what my symptoms are?

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I agree on the throttle postition sensor. I had to clock mine again today(having similar sputtering out problems). I replaced the coolant temp sensor, but it didn't make any difference, so I readjusted the tps, and the idle speed accordingly. ...And then I remembered how fast my car actually goes.

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Some of you may remember when My damned bolt that holds my rotor onto my distibutor came loose, well it happened again, and I should have known. So yeah I got a larger screw and forced it in, should work now. I did get my filter changed which besided the 23 bones was a good thing.. thanks for all the help Josh

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Some of you may remember when My damned bolt that holds my rotor onto my distibutor came loose, well it happened again, and I should have known. So yeah I got a larger screw and forced it in, should work now. I did get my filter changed which besided the 23 bones was a good thing.. thanks for all the help Josh

 

 

After that happening to me several times, I now use liberal amounts of loctite on that screw. I also had to re-tap it to a larger size.

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I think when I get back from guiding this summer I'll retap to larger size, this time I just got a bigger metal screw and forced it in, between that and permenant loctite i should be sitting good for awhile. Otherwise suby is running stronger than It ever has. Thanks everyone for the time!!! Josh

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  • 4 months later...

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