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Discussing cyl number 1 missing in the 2.3 Mustangs Forum. ok i ran out of gas on the side of the highway one night got ...

       

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Old May 12th, 2008, 10:00 PM   #1
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cyl number 1 missing


ok i ran out of gas on the side of the highway one night got it started drove it to a gas station started running perfect will then i hot rodded the hell out of it for a min then went back to normal speed then i stoped for a stop light and it started missing real bad i thought wtf so i drove it home thought it might be something with the fuel so i replaced a fuel filther (which it needed) then it still didnt run right so i did a fuel pressure test and tested my injectors there all ok so i thought mayb plug and wires just replaced them tonight it didnt help i got spark to bit it still misses i know it the 1cyl starting from the end of the motor the only thing i could think of is mayb i bent a value so i did a compression test it came out ok but mayb it still letting me get compression idk the only mod i have done to the car is a stage 2 Racer walsh cam could anything else cause this?
 

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Old May 12th, 2008, 10:08 PM   #2
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Distributor cap
 
Old May 13th, 2008, 04:34 PM   #3
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mmm.. had a similar prob with my 89 I had awhile back. Everything was replaced spark plugs, wires, cap and router, filter the fuel lines,compression was good. Injectors were brand new. Nothing was wrong with it. But my fuel pump. Mine was worse then yours .. but number 1 cyl was the one that kept missing, but it would get really bad and eventually all cylinders would go one by one.. eventually car wouldnt run unless i let it sit and cool down for abit. But ended up goin away after I replaced my fuel pump.. So.. Might be worth something to check out.
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Old May 14th, 2008, 12:03 AM   #4
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well it not the Distributor cap and i cant see it being the fuel pump either the spark plug is just getting fuel all over it so could it be a broke value spring? idk im just guessing right now this car seem to do this alot to me=(
 
Old May 14th, 2008, 08:24 AM   #5
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test the fuel pump first
 
Old May 14th, 2008, 05:00 PM   #6
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fuel pump could end up startin to lose the pressure it gives off not supplying enough fuel. Cyl1 furtherest from the pump would be deprived of more fuel. What happen to me atleast
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Old May 14th, 2008, 08:14 PM   #7
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you could have got trash in the injector screen
 
Old May 15th, 2008, 12:28 AM   #8
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ok but when i pulled the injectors off and ran them they all sparyed the same it looked like then i put the motor back togather and did a fuel pressure test it getting good pressure even on trottle how could it drop on the just that cyl and you not notice it? i mean the spark plug is wet with gas when i pull it out after running it idk what going on this car got me so confused!!!!!!!!!!!!!!
 
Old May 15th, 2008, 11:30 PM   #9
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anyone have a guess or something i just did a compression test today all got about the same soo yea=/ i still dk what to do now... i cant figure out why it not firing!!!
 
Old May 16th, 2008, 12:04 AM   #10
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set it on fire?

after you ran out of gas, did you make sure you didn't pop any seals in the fi? My bf was driving my stang one day, ran out of gas, and popped one or two of the seals... so he had to fix them in a parking lot. ran fine after that.
 
Old May 16th, 2008, 04:56 AM   #11
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Originally Posted by vfast View Post
you could have got trash in the injector screen
I love Vfast
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Old May 16th, 2008, 02:30 PM   #12
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Ignition module? or Coil pack?
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Old May 16th, 2008, 11:02 PM   #13
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+1 on the ignition module, didn't think of that...

I know when mine went bad the tach went nuts, it would drive fine for a little while and then start missing, backfiring, etc..
 
Old May 20th, 2008, 11:05 AM   #14
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your engine is blown up! i think your tail light fluid is running low. maybe change the bulb. Try to dump salt in your gas tank that helps it idle better. I tried it and its cool!!!
 
Old May 20th, 2008, 03:18 PM   #15
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shouldnt dump anything other then fuel, octane boost or fuel injector cleaning shit in there
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Old May 31st, 2008, 01:38 AM   #16
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no no no i think it my blinker fluid causing the problem let me go and change that damn i just didnt think of it at the time and i tore my car apart for nothing dang!
 
Old June 5th, 2008, 10:12 PM   #17
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ok, this sounds elementary, but I experienced similar prob...checked everything. Had new plugs, cap, rotor, just replaced timing belt...everything. Anyways, I eventually swapped the plug from cyl. 1 and cyl. 2, end result...cyl. 2 missed-solution....more new plugs, now it runs perfect. So try swapping 2 plugs and see if your miss changes cylinders.
 
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