Bonneville Backfires!
www.fearthepearl.com/vids/rev.avi
Thats the link to it, i did that today AFTER my Cat was installed, but, it has done that since i bought the car back in May 03. Ive replaced, plugs, wires, MAF, O2, PCV, Air filter, Fuel filter,and it has done nothing I dont know what to check next! Ive replaced it all! lol Also here is an other vid, ok www.fearthepearl.com/vids/freeway.wmv of me on the freeway BEFOR the new High Flow was installed, the last clip u can really hear it missing.. Now she cranks WOT like a dream! Videos Courtesy of Jason (BonneMe) thanks! [/i] |
Ok Matt. Here we go (and keep in mind this isn't gonna be easy, but we'll get it).
Before Fuddy and Andy get in here and start asking all the other questions: 1. Disconnect the battery for 30 minutes, then pull a fresh set of codes. 2. Buy a $10 stethescope and listen to each of your injectors. Do they sound the same? 3. Pull all 6 plugs and inspect them. Do they all look the same, or is one different? An update on the condition of your fuel system (filters, etc) and ignition components would be a big help. |
well, ive tested the coil packs thats about it (ohms) they all were at the minimal OHM reading line.
I will get a Scope tomorrow, and try this. Also i will reset the pcm and pull the codes with my paperclip! |
One more thing......I forgot.....does it do this hot, cold, or any time?
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hot
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Ok....being temperature sensitve makes me lean towards the electrical/electronic side. This means ignition is alot more likely than fuel (especially in a backfire condition).
I'll wait until all the stuff already mentioned is nailed down (codes, etc), but I have my ideas ;) |
Originally Posted by willwren
I'll wait until all the stuff already mentioned is nailed down (codes, etc), but I have my ideas ;)
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backfire
Might be an ignition timing problem. Possibly crank angle sensor? That was one of the symptoms of mine going bad.
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Maybe the ICM is going.... Matt you never told it me it was only when it was hot! I think it's time for a DIS4 wren? :lol:
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well i took the scope to all the injectors, they sound the same, also i un hooked my battery for an hour, and after that no new codes were stored.
So now im outta ideas! |
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