RonBurgundy Posted March 13, 2011 Share Posted March 13, 2011 The Path is struggling to make it anywhere right now. It starts and drives but just barely. It's hard to describe but i'll do my best. The car starts up normally and for a brief period of time (1-3 minutes) seems to drive normally. However, after a short while, it hesitates and can only reach a certain speed. For example, I could floor it and maybe get to 45-55. It basically stops itself - I can let off the gas and the car will basically brake (the engine continues running but the car comes to a stop). It's as if the car is being a stubborn child who doesn't wanna do something but i'm the parent whos making it (best analogy I could come up with). I've done a little research and came up with the following: CEL light is not on, but I decided to check for codes anyway; came up with two: P0325 P0325(pd) Knock Sensor Malfunction From what i've read this can be caused either by a short in the circuit or a faulty sensor. From what I understood, there is a testing procedure in the FSM, but unless I can actually gain access to the sensor, I can't test either and of course the sensor is burried under the intake manifolds. Removing the manifolds is outside my realm of comfort for the time I could go without my daily driver and have decided not to tackle this and to take it to a mechanic. I'm not a fan of this decision because of unfavorable experiences in the past but really have no other option. But I have a few questions first to make sure I don't get screwed over (too badly). 1. I read that the knock sensor malfunction is fairly common and for most is hardly noticable. In fact most people just clear it - this is definately not my case. Perhaps there is a deeper cause and the knock sensor is just a side affect? If so, do the symptoms above ring a bell to anyone? Or could it be possible that the knock sensor has gotten so bad that the engine has gone into some sort of "safe mode"? 2. I've done a bit of research on parts and labor, but i'd like to hear others input as well - what kind of damage am I looking at here? Thanks in advance! Link to comment Share on other sites More sharing options...
nunya Posted March 13, 2011 Share Posted March 13, 2011 For example, I could floor it and maybe get to 45-55. It basically stops itself - I can let off the gas and the car will basically brake (the engine continues running but the car comes to a stop). is it shifting when it's acting up? sounds like the trans is stickin in a lower gear (which will limit your speed and drag it down when not in the skinny pedal) and welcome Link to comment Share on other sites More sharing options...
RonBurgundy Posted March 13, 2011 Author Share Posted March 13, 2011 (edited) is it shifting when it's acting up? sounds like the trans is stickin in a lower gear (which will limit your speed and drag it down when not in the skinny pedal) and welcome Forgive my ignorance, but how would I know? The tachometer appears to be acting normally. I believe I remember seeing it get stuck at one point... EDIT: Well now that I think about it, the tachometer does look to be pushing a little harder then it needs to be. ...and thanks! I've actually been lurking for quite some time, even tried to join a while back but never got my email! But here I am! Edited March 13, 2011 by RonBurgundy Link to comment Share on other sites More sharing options...
thehuntersam Posted March 13, 2011 Share Posted March 13, 2011 Fail safe mode perhaps? what if the light for the cel is out? Link to comment Share on other sites More sharing options...
RonBurgundy Posted March 13, 2011 Author Share Posted March 13, 2011 (edited) Fail safe mode perhaps? what if the light for the cel is out? I'm not sure what fail safe mode would feel like, but if I had to guess - it feels likes this! And yes.... chances are the CEL is out. Edited March 13, 2011 by RonBurgundy Link to comment Share on other sites More sharing options...
Towncivilian Posted March 13, 2011 Share Posted March 13, 2011 (edited) If the transmission was in failsafe mode, doesn't the O/D OFF indicator light flash for approximately 8 seconds after coming on for 2 seconds once the engine is started? If the transmission is in failsafe mode, it's locked in third gear. EDIT: Edited March 13, 2011 by Towncivilian Link to comment Share on other sites More sharing options...
thehuntersam Posted March 13, 2011 Share Posted March 13, 2011 I didn't even know the tranny could go into fail safe mode, I was thinking the engine.. but that's good to know too. I have a manny so I haven't encountered that problem yet.. Link to comment Share on other sites More sharing options...
JamesRich Posted March 13, 2011 Share Posted March 13, 2011 It sound like you have another problem besides the knock sensor. I had the knock sensor go bad on my wife's quest van and it just got about 3 mpg less but seemed to run the same. James Link to comment Share on other sites More sharing options...
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