Regular Smog Check
STAR Smog Station
Smog Check Repair
Miles:
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
30
Which Type Should I Choose?
Smog Check & Emissions Questions and Answers
Have a question? Ask our technicians. Get expert answers for free.
Ask-A-Tech
now!
All Categories
>
Search
>
High NO
Question
Answered
2002 Toyota Camry LE Failed for High CO with New Oxygen Sensors
by
Min
Yes (1)
1995 Chevy Corvette Failed Smog Test for High NO
by
Kevin
Yes (1)
Mercedes E320 Emission Standards Higher?
by
woody
Yes (1)
1990 Acura Integra Failed for High NO
by
sam
Yes (1)
Toyota 4 Runner What Else Could Cause High NO?
by
Mark
Yes (1)
How Can I Lower NO on my Jeep Cherokee Laredo?
by
timothy
Yes (1)
2004 Hyundai Accent Failed for High NO
by
Johnna
Yes (1)
Nissan Altima Failed High NO at both 15mph and 25mph
by
Lynn
Yes (1)
944 Porsche 2.5 Liter Failed for High NO
by
CALVIN
Yes (1)
Infiniti G20 High HC and CO During Smog Test
by
Michael
Yes (1)
Pages:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27