New Guy w/ Check Engine light?

Stang_ROTY · 06-08-2001, 10:05 PM

My Uncle has a '96 Cobra that is bone-stock. The check engine light comes on, then goes off, then will stays on, goes off etc. But it doesn't blink. We changed the plugs and the light went off for a while, then came back on. He even had the Computer reset this morning. But by the afternoon the light was back on. The mlies are 48K. I think it might me the O2 sensors...am I close? Also, how many o2 sensors are on the car with the stock (Yes, restrictive 4-cats) exhaust system? thanks in advance!

St_Brawler · 06-11-2001, 11:59 PM

Quote:

Originally posted by Stang_ROTY:
My Uncle has a '96 Cobra that is bone-stock. The check engine light comes on, then goes off, then will stays on, goes off etc. But it doesn't blink. We changed the plugs and the light went off for a while, then came back on. He even had the Computer reset this morning. But by the afternoon the light was back on. The mlies are 48K. I think it might me the O2 sensors...am I close? Also, how many o2 sensors are on the car with the stock (Yes, restrictive 4-cats) exhaust system? thanks in advance!

You should have 4 o2 sensors, 2 upfront before your cats and 2 after your last cats. If any or all are bad you'll get that light. Any loss of power that you can tell???

------------------
2001 GT Convertible

Freddie · 06-12-2001, 08:39 PM

There are about 500 things that can turn the light on, Take your pick.
Or you could get it checked by someone with an OBDII scanner. A lot cheaper then throwing parts at it.

------------------
14.16@97.53
3500lb race weight
Silver 2001GT
4R70W auto K&N Silencer removed Magnaflow Mufflers Motorsports ccBreather

Stang_ROTY · 06-16-2001, 06:29 PM

We bought the scanner today and received a code 1443, the 1 is for a manufacturer code. So I guess the code is 443. The Chilton's manual is out-dated and of no help for the 4.6's. Any idea what code 443 could be???

Freddie · 06-17-2001, 07:47 AM

http://www.obdii.com/codes.asp
Try this link. It shows an evap code which means you most likely have a sticking purge solonoid. The code should be a P1443. Thats the way OBDII codes are stored. Hope this helps.

Stang_ROTY · 06-17-2001, 02:23 PM

Thanks for the help. What is a purge solenoid?? Does ithave something to do with the Purge cannister??

Freddie · 06-17-2001, 09:38 PM

Quote:

Originally posted by Stang_ROTY:
Thanks for the help. What is a purge solenoid?? Does ithave something to do with the Purge cannister??

Yes, it is the vacume valve for the canister.

Stang_ROTY · 06-18-2001, 11:34 AM

Is that part something that is vital to passing emissions?? How does its' failure effect performance??

06-08-2001, 10:05 PM	#1
Stang_ROTY Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts Posts: 735	New Guy w/ Check Engine light? My Uncle has a '96 Cobra that is bone-stock. The check engine light comes on, then goes off, then will stays on, goes off etc. But it doesn't blink. We changed the plugs and the light went off for a while, then came back on. He even had the Computer reset this morning. But by the afternoon the light was back on. The mlies are 48K. I think it might me the O2 sensors...am I close? Also, how many o2 sensors are on the car with the stock (Yes, restrictive 4-cats) exhaust system? thanks in advance!

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06-12-2001, 08:39 PM	#3
Freddie Quickest STOCK MOD Auto Join Date: Mar 2001 Location: Chesterfield County, VA, USA Posts: 61	There are about 500 things that can turn the light on, Take your pick. Or you could get it checked by someone with an OBDII scanner. A lot cheaper then throwing parts at it. ------------------ 14.16@97.53 3500lb race weight Silver 2001GT 4R70W auto K&N Silencer removed Magnaflow Mufflers Motorsports ccBreather

06-16-2001, 06:29 PM	#4
Stang_ROTY Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts Posts: 735	We bought the scanner today and received a code 1443, the 1 is for a manufacturer code. So I guess the code is 443. The Chilton's manual is out-dated and of no help for the 4.6's. Any idea what code 443 could be???

06-17-2001, 07:47 AM	#5
Freddie Quickest STOCK MOD Auto Join Date: Mar 2001 Location: Chesterfield County, VA, USA Posts: 61	http://www.obdii.com/codes.asp Try this link. It shows an evap code which means you most likely have a sticking purge solonoid. The code should be a P1443. Thats the way OBDII codes are stored. Hope this helps.

06-17-2001, 02:23 PM	#6
Stang_ROTY Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts Posts: 735	Thanks for the help. What is a purge solenoid?? Does ithave something to do with the Purge cannister??

06-18-2001, 11:34 AM	#8
Stang_ROTY Registered Member Join Date: Feb 2001 Location: Berkshire County - Massachusetts Posts: 735	Is that part something that is vital to passing emissions?? How does its' failure effect performance??