cyl number 1 missing

Street_Racer · May 12th, 2008, 10:00 PM

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?

TurboLX · May 12th, 2008, 10:08 PM

Distributor cap

-cold-machine- · May 13th, 2008, 04:34 PM

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.

Street_Racer · May 14th, 2008, 12:03 AM

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=(

TurboLX · May 14th, 2008, 08:24 AM

test the fuel pump first

-cold-machine- · May 14th, 2008, 05:00 PM

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

vfast · May 14th, 2008, 08:14 PM

you could have got trash in the injector screen

Street_Racer · May 15th, 2008, 12:28 AM

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!!!!!!!!!!!!!!

Street_Racer · May 15th, 2008, 11:30 PM

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!!!

zombie_pony · May 16th, 2008, 12:04 AM

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.

Drick · May 16th, 2008, 04:56 AM

Originally Posted by vfast

you could have got trash in the injector screen

I love Vfast

-cold-machine- · May 16th, 2008, 02:30 PM

Ignition module? or Coil pack?

zombie_pony · May 16th, 2008, 11:02 PM

+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..

green slow-ness · May 20th, 2008, 11:05 AM

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!!!

-cold-machine- · May 20th, 2008, 03:18 PM

shouldnt dump anything other then fuel, octane boost or fuel injector cleaning shit in there

Street_Racer · May 31st, 2008, 01:38 AM

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!

8notch8 · June 5th, 2008, 10:12 PM

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.

May 12th, 2008, 10:00 PM	#1
Street_Racer Regular Join Date: Aug 2007 Posts: 54	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?

May 13th, 2008, 04:34 PM	#3
-cold-machine- Regular Join Date: Aug 2007 Location: Winnieg, Manitoba, Canada Posts: 486	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. __________________ 1990 2.3L Mustang Hatchback. 2000 3.8L Mustang.

May 14th, 2008, 05:00 PM	#6
-cold-machine- Regular Join Date: Aug 2007 Location: Winnieg, Manitoba, Canada Posts: 486	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 __________________ 1990 2.3L Mustang Hatchback. 2000 3.8L Mustang.

May 16th, 2008, 02:30 PM	#12
-cold-machine- Regular Join Date: Aug 2007 Location: Winnieg, Manitoba, Canada Posts: 486	Ignition module? or Coil pack? __________________ 1990 2.3L Mustang Hatchback. 2000 3.8L Mustang.

May 20th, 2008, 03:18 PM	#15
-cold-machine- Regular Join Date: Aug 2007 Location: Winnieg, Manitoba, Canada Posts: 486	shouldnt dump anything other then fuel, octane boost or fuel injector cleaning shit in there __________________ 1990 2.3L Mustang Hatchback. 2000 3.8L Mustang.

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May 12th, 2008, 10:08 PM	#2
TurboLX Banned 1990 Mustang LX Turbo 9.71@141.6 mph Join Date: Oct 2006 Location: NY Posts: 8,780	Distributor cap

May 14th, 2008, 12:03 AM	#4
Street_Racer Regular Join Date: Aug 2007 Posts: 54	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=(

May 14th, 2008, 08:24 AM	#5
TurboLX Banned 1990 Mustang LX Turbo 9.71@141.6 mph Join Date: Oct 2006 Location: NY Posts: 8,780	test the fuel pump first

May 14th, 2008, 08:14 PM	#7
vfast Banned Join Date: Aug 2005 Location: shimmy shack takeout Posts: 1,104	you could have got trash in the injector screen

May 15th, 2008, 12:28 AM	#8
Street_Racer Regular Join Date: Aug 2007 Posts: 54	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!!!!!!!!!!!!!!

May 15th, 2008, 11:30 PM	#9
Street_Racer Regular Join Date: Aug 2007 Posts: 54	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!!!

May 16th, 2008, 12:04 AM	#10
zombie_pony Newbie 93 LX Join Date: Jan 2008 Location: New Port Richey, FL Posts: 30	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.

May 16th, 2008, 11:02 PM	#13
zombie_pony Newbie 93 LX Join Date: Jan 2008 Location: New Port Richey, FL Posts: 30	+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..

May 20th, 2008, 11:05 AM	#14
green slow-ness Banned Join Date: May 2008 Posts: 11	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!!!

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May 31st, 2008, 01:38 AM	#16
Street_Racer Regular Join Date: Aug 2007 Posts: 54	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!

June 5th, 2008, 10:12 PM	#17
8notch8 Newbie 1988 Mustang LX coupe Join Date: May 2008 Location: Spring Valley, WI Posts: 21	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.