new coils.....still missing
Alright so my car ('00) was missing every now and then and I got the standard engine miss code, P1420 maybe, dont remember exactly. When I saw that I ordered 6 new coils and put them in on Sunday. Today I noticed a slight miss again while i was backing up. Also, I replaced the spark plugs with NGK platinum (or whatever the expensive ones are) a year and a half ago. Does anyone have any thoughts?
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btw.......another code has NOT shown up yet
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Originally Posted by icewake
(Post 6095231)
btw.......another code has NOT shown up yet
Fuel system? |
I was thinking bad fuel, but it's missing in reverse. Maybe recheck the gap in the plugs and reset the computer.
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Have you installed a new MAF at any point? Keep the MAF in mind.
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Originally Posted by Kyle00
(Post 6096278)
Have you installed a new MAF at any point? Keep the MAF in mind.
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ill look into possibly getting a maf in a few months but for now i think i am going to check spark plug gaps. also note that after i installed the new coil packs it was not missing as much or as big of a miss as before. not sure if that might help in any diagnosis but wanted to throw it out there
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Originally Posted by Cli-Max
(Post 6095944)
I was thinking bad fuel, but it's missing in reverse. Maybe recheck the gap in the plugs and reset the computer.
A miss is a miss, reverse has ZERO impact. As mentioned, MAF could be culprit, but typically doesnt cause misfire. I would check injectors as well. You may also want to elaborate on "miss" because often times people say its a miss when there is just stuttering or chatter. EDIT/ADD: Dont delay on this, if you are truly missing due to spark you are POURING raw fuel over the catalyst, if you have a cali-spec this is especially bad. when i had misfires i waited because it was so intermitent, bad idea, front pre-cat went out. |
replace the maf sensor next......
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