intermitent check engine light

Highoutput5.0

New Member

Nov 8, 2005

17

0

0

RI

Jan 18, 2006

#1

• Jan 18, 2006

• #1

i have a 94 and the check engine light comes one only after moderate to hard acceleration and stays on for about 20 seconds then turns off...less than 20 if accel wasnt hard, more after hard accel...any thoughts will be helpfull..thanks...i have had the obd 2 scanner hooked up while driving but it can never pick up the code before the Check light turns off

 

MysteryMachine

Active Member

Jun 21, 2003

1,835

2

39

Parkesburg, PA

Jan 18, 2006

#2

• Jan 18, 2006

• #2

Our cars use a obd 1 scanner. It plugs in under the hood. Mine does that for insuffecent egr flow might be your problem

 

R.J.

Member

Aug 20, 2003

813

0

16

Warwick, Rhode Island

Jan 18, 2006

#3

• Jan 18, 2006

• #3

Same here with insuffecent egr flow. I pulled the codes and got that specific code. I forget the number. I put a vac pump on my egr and it moved fine so I pulled it off and cleaned it and he intakewhere it bolts on. The check engine light has not come back on.

 

bill302

Active Member

Nov 2, 2005

2,131

1

46

alabama,gadsden

Jan 18, 2006

#4

• Jan 18, 2006

• #4

obd 2 scanner is the wrong scanner if yours is like mine the plug in under dash will allow a obd 2 to hookup but i believe its a dummy plugin a ford thing i don't know. but your system is a obd 1 unless you have installed a 4.6 or 3.8. even if light is not illuminated you can retrieve codes at plugin on passenger side fender under hood about 5 inches forward of firewall it will be incased in a plastic case fastened to passenger side fender. drive car to autozone have them retrieve codes from this plugin or do it yourself with a test light click on link below. then post codes and get some replys from these guys you can throw 2-3or 4 codes sometimes (i was throwing 5 i reset t.p.s. and replaced cos2 sensor and cleared all 5) and only one sensor will need cleaning or replaced,believe me these guys will save you money good luck and welcome to stangnet.

 

MysteryMachine

Active Member

Jun 21, 2003

1,835

2

39

Parkesburg, PA

Jan 18, 2006

#5

• Jan 18, 2006

• #5

332 lol i know it cause it shows up like every damn day. Mines cause them plastic vac lins broke and i have them rigged together

 

fiveotony

Founding Member

May 20, 2001

1,437

0

0

Gainesville, Ga

Jan 18, 2006

#6

• Jan 18, 2006

• #6

could be maybe an O2 sensor as well

 

HISSIN50

"How long does it take to get help in here?

15 Year Member

Nov 29, 1999

31,179

33

129

Jan 19, 2006

#7

• Jan 19, 2006

• #7

Welcome to the boards! As mentioned, the 94-95 GT's are OBD-I and the 6 cylinder models were OBD-II (hence why there are both plugs).

Good luck.

 

Highoutput5.0

New Member

Nov 8, 2005

17

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0

RI

Jan 19, 2006

#8

• Jan 19, 2006

• #8

so can you read any codes with the obd 2 scanner on 1994 models?

 

HISSIN50

"How long does it take to get help in here?

15 Year Member

Nov 29, 1999

31,179

33

129

Jan 19, 2006

#9

• Jan 19, 2006

• #9

Highoutput5.0 said:

so can you read any codes with the obd 2 scanner on 1994 models?

Click to expand...

Sure, if you have a V6.

 

95cobraguy

Member

Dec 23, 2005

637

11

19

Concord, NC by way of LI, NY

Jan 19, 2006

#10

• Jan 19, 2006

• #10

u need to find out if there are any trouble codes stored in the computer, until then nobody will have an answer to your problem.