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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

‘99 Honda Accord, Unknown Computer Code

Q: I have a problem with my ‘99 Honda Accord. My Check Engine light is on and will not turn off without being reset by my mechanic. The code was P1149 was registered but neither the Honda dealerships nor any other shops have that code listed, so I can find out what is wrong with my vehicle. If you could please shed some light on this dilemma.

- Daniel Torres

A: That seems odd they can’t tell you what that code means. The computer code you’re reporting (P1149) is for a circuit or range problem with the #1 heated oxygen sensor. Odds are the sensor needs to be replaced, but you want to check the connection and wiring to the sensor to be sure they are not damaged or disconnected. Testing an oxygen sensor yourself is hard to do without some pricey tools. You may want to have the sensor and its circuits checked and diagnosed before just going out and replacing the thing. If you decided to just replace the sensor be sure to use a Honda oxygen sensor and not a, “you can make it fit if you cut and splice the wires replacement type”. That type of oxygen sensor is just trouble on a grand scale waiting to happen.

 
     
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