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Old 10-28-2008, 07:51 AM
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terceslil terceslil is offline
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1999 Frontier King Cab
1999 Sentra
 
Join Date: Oct 2008
Location: Walker, LA
Posts: 37
Default P1444 & P0300 codes on 99 Nissan Frontier 3.3 HELP

I just changed my clutch, flywheel, distributor, and adjusted timing. I also just did all the regular maintenance that is required every 30,000 miles for my Frontier. The check engine light was on before the work was done, and it is still on.

Please help me take care of these codes. I found in the search where someone had cleared the 1444 code by changing a charcoal canister that failed on their 98 Pathfinder, but I read another thread where a guy with an Altima replaced the canister and could not clear the code.

The random cylinder misfire 0300 code did not appear immediately after I changed the spark plugs and spark plug wires at 100,000 miles 4 months ago, so I don't think the spark plugs are the issue. What else could be the cause of this code? Where to start?

I was having a problem with a misfire, but the truck seems to be running better since the timing was adjusted. The timing was not off though. Is my new timing adjustment masking my misfire?

Last edited by terceslil; 10-31-2008 at 11:03 AM.
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