22re rough idle, cutting out... help!
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22re rough idle, cutting out... help!
Every once in a while my 1989 22re will idle really rough, almost as if it's low on oil (which it isn't), or running out of gas (don't ask how i know what that's like ). Sometimes it also does it while driving, feels like a total loss of power and cuts out then comes right back. If I drive and rev it up while it's cutting out it helps for a little bit then comes right back. It doesn't happen all the time, just enough to make me want to find out what it is! Any help would be really appreciated!
Things I thought it might be:
Bad Gas?
Bad Spark Plug(s)?
Bad Vacuum Line?
Not enough air?
Bad Plug Wires?
It should be known I recently installed a tach; power and light is coming off where the clock would be (its a DLX model) and the signal is coming off my negative coil post... Maybe that's my issue?
Thanks!
Things I thought it might be:
Bad Gas?
Bad Spark Plug(s)?
Bad Vacuum Line?
Not enough air?
Bad Plug Wires?
It should be known I recently installed a tach; power and light is coming off where the clock would be (its a DLX model) and the signal is coming off my negative coil post... Maybe that's my issue?
Thanks!
#2
I am having a similar problem, but mine seems to be electrical. For instance, sometimes I turn on my headlights and I will get an rpm drop or when I flip on my high beams. I thought it might just be in the column but then tonight I started to roll up my passenger window (power window) it started cutting out really bad. any ideas?
#3
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Sounds like an air issue. Bad/ unplugged AFM will somewhat act like that, but would probably store a code. TPS sensor also. There are ways to test them if you search
#4
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If the computer doesn't know how much air its getting, then it doesn't know how much fuel to inject. Will it not rev up past a certain RPM, then kick the RPMS back down?
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Despite my better judgement, I took it for a drive this morning and tried to narrow it down. It drives ok, but it almost feels like one of the cylinders isn't firing because of how slow my acceleration is. When I downshift the truck runs almost perfect, then as soon as I idle or get on the gas again it starts doing the same thing.
skoti89 the truck can rev up as high as I want it to (2000 rpm was as high as i took it this morning) , and idles low at about 500 rpm. Did some research on the AFM, will look into that more today aswell.
Was thinking of doing plugs, wires, cap, and rotor as soon as I get a chance, or is that in the wrong direction?
skoti89 the truck can rev up as high as I want it to (2000 rpm was as high as i took it this morning) , and idles low at about 500 rpm. Did some research on the AFM, will look into that more today aswell.
Was thinking of doing plugs, wires, cap, and rotor as soon as I get a chance, or is that in the wrong direction?
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I had a similar issue, mostly when I would accelerate out of first and second gear. Turned out to be carbon buildup on one of my plugs, I would do a quick check on the plugs... Could also be the TPS as other posters have indicated, especially if the truck sensor was calibrated at a different elevation.
#7
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Despite my better judgement, I took it for a drive this morning and tried to narrow it down. It drives ok, but it almost feels like one of the cylinders isn't firing because of how slow my acceleration is. When I downshift the truck runs almost perfect, then as soon as I idle or get on the gas again it starts doing the same thing.
skoti89 the truck can rev up as high as I want it to (2000 rpm was as high as i took it this morning) , and idles low at about 500 rpm. Did some research on the AFM, will look into that more today aswell.
Was thinking of doing plugs, wires, cap, and rotor as soon as I get a chance, or is that in the wrong direction?
skoti89 the truck can rev up as high as I want it to (2000 rpm was as high as i took it this morning) , and idles low at about 500 rpm. Did some research on the AFM, will look into that more today aswell.
Was thinking of doing plugs, wires, cap, and rotor as soon as I get a chance, or is that in the wrong direction?
I'm not an expert and I don't want to tell you the wrong things, but if they're really dirty it could take yoi in the right direction
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Hey guys! After a quick trip to AutoZone today I went ahead and grabbed new plugs, wires, and cap & rotor and after everything went in and I started her up, she purrs again like a kitten! I can't believe the difference from when I started to now! Here's some of the things I picked up and some pictures!
sorry for the low picture quality!
These were the things I got today
Difference in caps and rotors
Difference in plugs
Gnarly buildup on plugs 3 & 4
All wired up and ready!
How she looks all happy!
Thanks again for all the help guys! This forum is a life saver!
-findingfive (dain)
sorry for the low picture quality!
These were the things I got today
Difference in caps and rotors
Difference in plugs
Gnarly buildup on plugs 3 & 4
All wired up and ready!
How she looks all happy!
Thanks again for all the help guys! This forum is a life saver!
-findingfive (dain)
Last edited by findingfive; 10-30-2013 at 05:39 PM.
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