1999 Honda Accord LX 2.3L Rich
Thank you for your help. We had a code for cat efficiency, and determined we had a faulty cat by monitoring the o2 sensors. That problem is fixed, however, we are concerned about the ltft and stft reading we are getting. We usually do not see fuel trim numbers...
FIX posted 2/1/2008
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Message Closed w/FIX
Vehicle Data1999 Honda Accord LX
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Honda Accord LX
VIN | JHMCG5543X |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Rich |
Occurs | Cruise, Idle |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |