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SN95 Cobras
Help please! P0340 code; common problems have been ruled out!
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<blockquote data-quote="zpstang96" data-source="post: 14155419" data-attributes="member: 148484"><p>Yeah, the only way I could see the machine shop screwing it up is that the cam gears are fully adjustable. So they could possibly degree the cams in mechanically correct but incorrect in accordance with the crank trigger (I suppose that's possibly with adjustable cam gears?). In response to your first comment/post, I'd be inclined to think that the PCM thinks it is out of time rather than it be actually out of time, especially because the car runs so well with no cam sensor. Literally it idles perfectly and drives just like my 2v motor but with more power. Either way, this all leads to pulling the cover and double checking everything, I guess I can't get away from that. </p><p></p><p>Thanks for your help :beer: I'll be keeping the thread updated as soon as I make some progress with this.</p><p></p><p></p><p></p><p>The only thing I could find was a guy on a mark viii forum having the same problem. He said he unplugged the cam sensor and it ran fine, which led me to unplugging mine just to see what would happen.</p><p></p><p>But yeah I was pretty baffled at the numbers after I saw the car run. The car was tuned by Pro Edge but Dad trailered it up for a day while I was up at school because they had an opening, so I never actually saw it run until I got home and went to drive it.</p><p></p><p>But to answer your curiosity...I've been driving it around with the cam sensor unplugged all the time and it's doing just fine. I am also wondering how this would fare long term, but from what I can tell, the PCM just defaults to firing the injectors in groups so the car still runs with the sensor unplugged. I'm still fairly cautious with it, but the car feels great with it unplugged and is a monster from 4500 RPM+.</p></blockquote><p></p>
[QUOTE="zpstang96, post: 14155419, member: 148484"] Yeah, the only way I could see the machine shop screwing it up is that the cam gears are fully adjustable. So they could possibly degree the cams in mechanically correct but incorrect in accordance with the crank trigger (I suppose that's possibly with adjustable cam gears?). In response to your first comment/post, I'd be inclined to think that the PCM thinks it is out of time rather than it be actually out of time, especially because the car runs so well with no cam sensor. Literally it idles perfectly and drives just like my 2v motor but with more power. Either way, this all leads to pulling the cover and double checking everything, I guess I can't get away from that. Thanks for your help :beer: I'll be keeping the thread updated as soon as I make some progress with this. The only thing I could find was a guy on a mark viii forum having the same problem. He said he unplugged the cam sensor and it ran fine, which led me to unplugging mine just to see what would happen. But yeah I was pretty baffled at the numbers after I saw the car run. The car was tuned by Pro Edge but Dad trailered it up for a day while I was up at school because they had an opening, so I never actually saw it run until I got home and went to drive it. But to answer your curiosity...I've been driving it around with the cam sensor unplugged all the time and it's doing just fine. I am also wondering how this would fare long term, but from what I can tell, the PCM just defaults to firing the injectors in groups so the car still runs with the sensor unplugged. I'm still fairly cautious with it, but the car feels great with it unplugged and is a monster from 4500 RPM+. [/QUOTE]
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Help please! P0340 code; common problems have been ruled out!
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