1. Check Technical Service Bulletins:To diagnose the Check Engine code, the first step is to check for common known problems. Car manufacturers periodically issue Technical Service Bulletins (TSBs) that describe common problems for certain models. Some TSBs are posted on the internet; Google can h...
Hello,I have a 2005 Nissan Frontier SE and I added dual exhaust paid $700 and ever since check engine light comes on,I bought a $300 programmer so I can clear the light but wouldn’t pass inspection still and the light comes after 75 miles,my garage wants all most $3000 to fix it...