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Author
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Topic: SMOG help: 98 Cobra
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98Snake
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Member # 183
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posted
 
 
The car is a 98 cobra, and has passed the previous 3 times with the following mods on the stock longblock:
Vortech V-1 S-trim (GT impeller)
3.33 Pulley
AFM Powerpipe
Pro-M 80 MAF
42lb Injectors
T-rex fuel pump
Kenne-Bell Boost-a-Spark
Adjustable FPR
Bassani catted X-pipe
Unfortunately I did not save the results from the previous tests. The car does not throw any codes. From what I can gather from other members' posts with similar results as mine, I should be able to pass with some new cats and O2 sensors. One problem I seem to have, was during the OBD2 diagnostic scan, it read "Not Supported", which seemed to throw off the Smog tech.
Any ideas, comments or recommendations would be greatly appreciated. Thanks in advance ![[patriot]](graemlins/patriot.gif)
[ September 09, 2010, 07:09 PM: Message edited by: 98Snake ]
Posts: 363 | From: Nor-Cal | Registered: Mar 2001
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Blind
2.3L
CAFords OG
Member # 3052
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posted
with the NOX being too high, I would look closely at your vacuum routing and the EGR system, the EVP I think it's called next to the EGR may be bad.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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98Snake
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Member # 183
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posted
quote:
Originally posted by Blind:
with the NOX being too high, I would look closely at your vacuum routing and the EGR system, the EVP I think it's called next to the EGR may be bad.
Thanks I will check the EGR system. Any way to tell if the EVP is bad, or should I just replace it anyways? Forgot to mention the car has 92000 miles, about 50000 with the blower.
Any thoughts about the OBD2 "not supported" readings?
[ September 09, 2010, 08:05 PM: Message edited by: 98Snake ]
Posts: 363 | From: Nor-Cal | Registered: Mar 2001
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BIGBALLFACTOR
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Member # 7277
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posted
quote:
Originally posted by 98Snake:
quote:
Originally posted by Blind:
with the NOX being too high, I would look closely at your vacuum routing and the EGR system, the EVP I think it's called next to the EGR may be bad.
Thanks I will check the EGR system. Any way to tell if the EVP is bad, or should I just replace it anyways. Forgot to mention the car has 92000 miles, about 50000 with the blower.
Any thoughts about the OBD2 "not supported" readings?
NOT SUPPORTED MEANS YOU PCM DOES NOT MOTIOR THOSE MONITERS
AN FORD HAS A PIG PROBLEM WITH EGR NOT WORKING
ONE OF THE MAIN THINGS IS THE DPFE GOES BAD ALOT
Posts: 6908 | From: okc | Registered: Dec 2006
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by fasthatch:
quote:
Originally posted by 98Snake:
quote:
Originally posted by Blind:
with the NOX being too high, I would look closely at your vacuum routing and the EGR system, the EVP I think it's called next to the EGR may be bad.
Thanks I will check the EGR system. Any way to tell if the EVP is bad, or should I just replace it anyways. Forgot to mention the car has 92000 miles, about 50000 with the blower.
Any thoughts about the OBD2 "not supported" readings?
NOT SUPPORTED MEANS YOU PCM DOES NOT MOTIOR THOSE MONITERS
AN FORD HAS A PIG PROBLEM WITH EGR NOT WORKING
ONE OF THE MAIN THINGS IS THE DPFE GOES BAD ALOT
DPFE that's what it's called, not EVP, I was drawing a blank.
It also could just have a leak on the vacuum lines going to the DPFE.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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coupedup
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Member # 9987
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posted
If you still need help pm me , might b able to get it fixed....
Posts: 4406 | From: Ca | Registered: May 2010
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