Cars Dead....AGAIN....Please Help

5.0L_Of_Fury · 12-01-2002, 10:05 PM

well as usualy my car is dead...ran strong last night...got up this AM to go to church...no run!..it will turn over all day and every now and then will hit...I have checked fuel,spark,injector pulse,and replaced the distributor........any suggestions?

12-02-2002, 04:52 AM

Sounds like it turns over fine.

2 things you need for a motor to run

Spark and fuel

Somewhere along the line,it's not gettin one of these things.
Take and recheck things and take your time

fiveohpatrol · 12-02-2002, 01:01 PM

Have you checked the fuelpump inertia switch in the hatch?

sn95gt19 · 12-02-2002, 01:34 PM

do you have an msd on the car or any after-market ignition?

blue302 · 12-02-2002, 04:10 PM

It sounds like you have the same problem that I just encountered recently in my 89 GT. The problems I had, was the engine would crank but it will not turn on. Sometimes it would fire up, but it would quickly turn right off. I decided to just turn the ignition into to the on position and quickly realized that my fuel pump was not turning on. I decided to check the fuel pump relay (located under the driver seat) to see if I had voltage been applied at terminals 3 & 1. Terminal 1(+)&2(-) is your relay coil, when energized, will close your relay contact 3(+)&4 (ground at pump) applying a DC voltage to your pump. The relay and voltage checked out good, which meant that I had a bad pump. Once I had the pump out, I decided to test it and found that the pump was bad. Actually the pump turned on once I bang it a couple of times, but I decided to replace it anyways. So I think you probably have a bad pump or a bad fuel pump relay.

sn95gt19 · 12-02-2002, 05:47 PM

the reason that i mentioned the msd was that a buddyof mine hooked up his msd to a power source that wasnt on in the start position, only in the on position. so he could crank it all day, but it would only get spark when the key sprung back, and by then it was mostly flooded. i would check the fuel pump relay, have heard of many people having that problem!

MustangGT1990 · 12-03-2002, 12:59 AM

I just fought a similar problem on my 90 GT. The engine would turn over and try to start every now and then but it would instantly die. You said you replaced the distributor, right? Or just the rotor button and cap? Reason I ask...my problem was caused by a broken magnet in the pickup under the stator inside the distributor.

PKRWUD · 12-03-2002, 07:40 AM

It actually takes 4 things for an engine to run:
Fuel
Ignition
Air
Compression

You said you checked fuel, spark, and injector pulse, but you didn't say what you found. Were they all working properly? What is your fuel pressure?

Chevyguy · 12-03-2002, 11:47 AM

Two famous problems
TFI module
Ignition switch

Both can cause same problems you have. I have to assume a new TFI went in with the "replaced" distributor. The Ign switch can cause you to loose the IGN circut intermittently due to internal wear in the switch, they were also known for catching on fire too

My 88 2.3 Coupe just died while in line for a sticker, replaced the TFI cap rotor and wires (one fell apart when checking plugs) Even though the plugs seemed dry enough, if fired right up again and runs just fine now.

Of course the Dist cap was COMPLETELY stuck on. Had to pull the dist, bust off the cap. Ended up drilling out the old screws after breaking the rest off without any turning from the section threaded into the dist. Made a mess of the dist, but the new cap screwed down good enough to go.

Man what a PITA for a lousy $150 winter beater that my Bro is driving!!

5.0L_Of_Fury · 12-03-2002, 08:01 PM

well...went out to load on trailer to take to shop...just for giggles...tryed to start it...fired up like a charm....im confused to the point of insanity

12-01-2002, 10:05 PM	#1
5.0L_Of_Fury Registered Member Join Date: May 2001 Location: Mayfield,KY,USA Posts: 288	Cars Dead....AGAIN....Please Help well as usualy my car is dead...ran strong last night...got up this AM to go to church...no run!..it will turn over all day and every now and then will hit...I have checked fuel,spark,injector pulse,and replaced the distributor........any suggestions? __________________ OLD NAME:4cyl_Of_Fury 1990 LX 5.0 Hatchback K&N,March Ram Air,Strut Tower Brace '93LX Hatchback !FOR SALE No Substitute For Cubic Inches! BURN EM UP fivepointzero@kytnar.org "Give 'Er Hell" "They Call It Minute Rice..Gee Are Those Actually Track Times?" Firemen: We Find 'Em Hot And Leave 'Em Wet" Rice Haters Club Member #23 (GM Ricer Fads) Gotta Love Hatin 'Em CLUTCHES,FUEL PUMP RELAYS,FOUR CYLINDERS

12-02-2002, 01:01 PM	#3
fiveohpatrol I'd rather be basketweaving Join Date: Feb 2000 Location: Indianapolis Posts: 2,551	Have you checked the fuelpump inertia switch in the hatch? __________________ NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft

12-02-2002, 01:34 PM	#4
sn95gt19 motors done......woohooo Join Date: Mar 2002 Posts: 799	do you have an msd on the car or any after-market ignition? __________________ 95gt lazer red (98 cobra clone) Rice Haters Club Member #116

12-02-2002, 04:10 PM	#5
blue302 Registered Member Join Date: Feb 1999 Location: Los Angeles, CA, USA Posts: 28	It sounds like you have the same problem that I just encountered recently in my 89 GT. The problems I had, was the engine would crank but it will not turn on. Sometimes it would fire up, but it would quickly turn right off. I decided to just turn the ignition into to the on position and quickly realized that my fuel pump was not turning on. I decided to check the fuel pump relay (located under the driver seat) to see if I had voltage been applied at terminals 3 & 1. Terminal 1(+)&2(-) is your relay coil, when energized, will close your relay contact 3(+)&4 (ground at pump) applying a DC voltage to your pump. The relay and voltage checked out good, which meant that I had a bad pump. Once I had the pump out, I decided to test it and found that the pump was bad. Actually the pump turned on once I bang it a couple of times, but I decided to replace it anyways. So I think you probably have a bad pump or a bad fuel pump relay. __________________ 89GT:Edelbrock intake,BBK Shorty Headers, BBK 70mm TB,BBK Aluminum Pulleys, Adj. Reg. Edelbrock Water Pump,Griffin Aluminum Radiator, SVO Hoses, BBK H-Pipe w/conv.,Flowmasters 2Ch, SVO 3.73 w/Auburn Diff.,95 Cobra Front brakes and Lincoln Cont. rear disc brakes and 98 cobra rims.

12-02-2002, 05:47 PM	#6
sn95gt19 motors done......woohooo Join Date: Mar 2002 Posts: 799	the reason that i mentioned the msd was that a buddyof mine hooked up his msd to a power source that wasnt on in the start position, only in the on position. so he could crank it all day, but it would only get spark when the key sprung back, and by then it was mostly flooded. i would check the fuel pump relay, have heard of many people having that problem! __________________ 95gt lazer red (98 cobra clone) Rice Haters Club Member #116

12-02-2002, 04:52 AM	#2
Mustanguy Guest Posts: n/a	Sounds like it turns over fine. 2 things you need for a motor to run Spark and fuel Somewhere along the line,it's not gettin one of these things. Take and recheck things and take your time

12-03-2002, 12:59 AM	#7
MustangGT1990 Registered Member Join Date: Mar 2002 Location: Oliver Springs, TN Posts: 31	I just fought a similar problem on my 90 GT. The engine would turn over and try to start every now and then but it would instantly die. You said you replaced the distributor, right? Or just the rotor button and cap? Reason I ask...my problem was caused by a broken magnet in the pickup under the stator inside the distributor. __________________ 1990 Mustang GT 25th Anniversary Edition, 5 speed, 5.0 bored .030" over, FRPP 65mm throttle body, FRPP 1.6 roller rockers, 70 mm MAF, Compcams XE264HR, FRPP Aluminum driveshaft, FRPP Heavy duty clutch, BBK offroad H-pipe, Dual-chamber Flows, Energy Suspension engine and tranny mounts

12-03-2002, 07:40 AM	#8
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	It actually takes 4 things for an engine to run: Fuel Ignition Air Compression You said you checked fuel, spark, and injector pulse, but you didn't say what you found. Were they all working properly? What is your fuel pressure? __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!

12-03-2002, 11:47 AM	#9
Chevyguy Backyard Mechanic/Chemist Join Date: Feb 2001 Location: Acton MA USA Posts: 435	Two famous problems TFI module Ignition switch Both can cause same problems you have. I have to assume a new TFI went in with the "replaced" distributor. The Ign switch can cause you to loose the IGN circut intermittently due to internal wear in the switch, they were also known for catching on fire too My 88 2.3 Coupe just died while in line for a sticker, replaced the TFI cap rotor and wires (one fell apart when checking plugs) Even though the plugs seemed dry enough, if fired right up again and runs just fine now. Of course the Dist cap was COMPLETELY stuck on. Had to pull the dist, bust off the cap. Ended up drilling out the old screws after breaking the rest off without any turning from the section threaded into the dist. Made a mess of the dist, but the new cap screwed down good enough to go. Man what a PITA for a lousy $150 winter beater that my Bro is driving!! __________________ 2001 Crown Vic Maurader Airbox/MAF, DR chip Edel IAS shocks Single exhaust :wtf: 93 P-71 Vic interceptor Backup car now 90 5.0 LX Notch SOLD 74 Chevy Laguna type S-3 454 under construction Currently apart undergoing bodywork.

12-03-2002, 08:01 PM	#10
5.0L_Of_Fury Registered Member Join Date: May 2001 Location: Mayfield,KY,USA Posts: 288	well...went out to load on trailer to take to shop...just for giggles...tryed to start it...fired up like a charm....im confused to the point of insanity __________________ OLD NAME:4cyl_Of_Fury 1990 LX 5.0 Hatchback K&N,March Ram Air,Strut Tower Brace '93LX Hatchback !FOR SALE No Substitute For Cubic Inches! BURN EM UP fivepointzero@kytnar.org "Give 'Er Hell" "They Call It Minute Rice..Gee Are Those Actually Track Times?" Firemen: We Find 'Em Hot And Leave 'Em Wet" Rice Haters Club Member #23 (GM Ricer Fads) Gotta Love Hatin 'Em CLUTCHES,FUEL PUMP RELAYS,FOUR CYLINDERS

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