Fixed my reoccurring check engine light
347748
Factory part.  Resolved my reoccurring check engine light on 2012 Grand Cherokee.
2933456
Was having issues with my left turn signal not working periodically. Same issue when turning on the hazard flashers. This solved my problems.
4608362
My 2003 CR-V had "check engine" light on for a while and past experience told me it could be caused by the bad cap, I bought another cap, it did stopped "check engine" light on for some days after replacing the old one. Car technician check report error code P0134. I bought a cheap O2 Sensor from ebay but did not "stop" the error code as well as "check engine" light on. My car technician friend suggested to get a Denso one. After replaced the original one with this, check report again no longer showed P0134. Every reading was good! And I was surprised to see that The original senor coming with my 2003 CR-V was also Denso! Very good that I made a correct decision to get this one.
3887750
Not being tect savey, it took me a few times to get it right, but it worked great and told me my problem and then asked if I wanted to reset the
check engine light.
1971980
Perfect repair for my Jeep 2011 Rubicon Unlimited.  Replacing this O2 Sensor fixed my Check engine light.  I was surprised the original had failed as I do not have a lot of miles on my car and it did not look damaged in any way.  This replacement was plug and play and was an easy job.
2421301
When the check engine light comes on, just plug this in and get the codes for your car and know what you are in for.  Great to not get hoodwinked by some unscrupulous mechanic.  Or maybe, you can just fix it yourself.
2771631
A checked engine code came on, on our 2003 Honda CRV-LX. I borrowed a code reader from a friend, who is a professional Honda mechanic. The code pointed to this sensor as being faulty. I bought one from Amazon last month and replaced it. It fits perfectly and after erasing the code, the check engine light is out!

The dealer near our home wanted around $420 for this repair! I bought this sensor myself and replaced it is 15 minutes in my garage!
615604
I got a check engine light and traced it back to an old gas cap that wasn't sealing properly.  This cap solved the problem.
2731329
EASY -DO IT YOURSELF FIX!!! SAVED A SERVICE REPAIR VISIT.
4450965
I was getting a check engine light and this cap cap fixed my problem. Made just like my original gas cap and appears to be durable. The twist lock looks as if it makes a tighter seal
2194874
As the title said, it fixed my dad's 2002 Camry 4 cylinder blinking A/C light problem for far cheaper than the insane Toyota price.  By the way, try pulling the old one out first and banging it on the ground a few times and then reinserting.  This breaks the connection between the stuck metal relay and can help it work again.  My dad got another 2 years out of his after I did this.
412728
Correct part for job.  Proper fit.
Corrected problem with "check engine" light staying on.
3984250
inexpensive, reads codes, turns off "check engine" light on my older cars (that's all I have) - very pleased.
1032828
Perfect fit.  Popped right in.  Fixed the brake light problem.
3617649
Simple install, fixed my alarm problem when the truck said the hood was opened. Worth it for a quick DIY fix.
2108207
was a perfect fit, works good, and no more check engine light. Looks and functions the same as the factory part.
3860857
Works great. Had a check engine light come on my 1999 Miata. It has always been a great car - only regular maintenance over 19 years. Plugged in bluedriver and it told me I had a bad O2 sensor. Went to have car repaired and showed the service manager the report. O2 sensor replaced. No more check engine light. It was nice knowing the problem before taking the car in for service so I could research repair costs. I was able to negotiate the repair cost with the Mazda service department with that knowledge.