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2G Car died/No start w/ code P0335

Posted by sinned4g63, Mar 18, 2019

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  1. sinned4g63

    sinned4g63 Proven Member

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    Was on my way to work trying to catch a green light pulling out of a parking lot, got up to around 6k in 1st gear and right as I grabbed the shifter and went to hit second the car died with an odd noise of something spinning. Car would not start and I pulled code P0335 for Crank Position Sensor. Luckily my car died at the top of the street I work on so I rolled down the hill and pulled into work. I have my timing belt cover off because of my FPR and the steel braided line won't allow it to fit, anyways I noticed some marks on it as if something maybe hit it, Someone else I spoke to suggested the balance shaft belt broke and may have struck that sensor or the wiring.

    I've taken everything off the inside of the wheel well to look at the lower timing belt cover and it looks like a task to get off knowing all of the belts outside of it must come off and a few pulleys. I confirmed with the service manual and an awesome video on YouTube but is there a possibility of getting this done without removing the motor mount? The parking lot isn't %100 level and I wouldn't trust it for that. Fuel pressure via FPR is good, we were getting ready to test spark and compression when I pulled the code. I would appreciate any other insight or confirmation to this.

     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  2. jinscho

    jinscho Proven Member

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    Bangor, Pennsylvania
    If you're throwing a code for the crank sensor, I don't think you're going to have much of a choice than to pull the timing cover and inspect the sensor.

    Is it possible the balance shaft belt snapped and took out the sensor? Sure. It's also possible something kicked up and got into the cover since you're not running a cam cover.

    Basically what I'm getting at is you need to pull the cover and inspect it. There's no way around it.
     

    Street Build 2K  12

    1999 Mitsubishi Eclipse Spyder N/T
    fwd · manual · 2G DSM
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  3. Bo0sTeD 4G63

    Bo0sTeD 4G63 Proven Member

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    Miami, Florida
    If the balance shaft belt broke and it struck the wiring for the CPS then the car would not start until you replace the sensor. In a 2g the CPS controls the spark firing on two cylinders and the CAS controls the spark firing on the other two cylinders. You will need to remove the crank pulley with the belts. You might be able to remove and replace the CPS without removing the motor mount as I have done it before multiple times it all depends on having the correct tools.
     

    Street Build 913  1

    1997 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM
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  4. sinned4g63

    sinned4g63 Proven Member

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    Yeah I wasn't doubting that, just trying to avoid that motor mount if I can. I can deal with the belts and pulleys but at the point of pulling the timing belt off to replace the suspecred broken belt is where it would get difficult with where the car is.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  5. sinned4g63

    sinned4g63 Proven Member

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    Thankfully I work at a shop but for motorcycles, not cars. So I have access to plenty of tools just no lift so it's all in the ground in the parking lot Haha so if the balance shaft belt broke then I'm in for a big job and I might as well do a full belt overhaul.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  6. jinscho

    jinscho Proven Member

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    Bangor, Pennsylvania
    Fortunately the job isn't that difficult on the ground, so as long as you have access to the proper tools, you should be fine without a lift.

    First step though.. get that timing cover off and see what kind of damage you're working with.
     

    Street Build 2K  12

    1999 Mitsubishi Eclipse Spyder N/T
    fwd · manual · 2G DSM
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  7. sinned4g63

    sinned4g63 Proven Member

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    No doubt. Gonna be slipping in and out of work this week to see what I can pull off and see what I can see. Thanks!
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  8. motomattx

    motomattx Proven Member

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    Compression test first, then go from there.
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  9. sinned4g63

    sinned4g63 Proven Member

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    Pasadena, Maryland
    Do you suspect something else even with the crank sensor code?
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  10. motomattx

    motomattx Proven Member

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    Its an easy test from above the car plus the timing could have jumped if something got caught between the belt and cogs, this includes the balance shaft belt.
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  11. sinned4g63

    sinned4g63 Proven Member

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    Wouldn't the results be inaccurate because the car can't run to warm up? I mean I suppose if there were a large difference it would be an obvious giveaway of some damage but how would a compression check show anything related to timing?
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  12. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    It's just a super easy thing from on top. You could just pull all the plugs, what maybe 5 minutes, and do a visual inspection of them and make sure you have some compression in all the cylinders to tell you the general health of the motor before digging in deep is all.
     

    253  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 348  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

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    1992 Eagle Talon TSi AWD
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    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

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    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
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  13. sinned4g63

    sinned4g63 Proven Member

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    Makes sense, I just wasn't sure if the other person was suggesting I could tell something specific due to the situation. I didn't get a chance to do anything on it yesterday because work was busy and tomorrow we are expecting 1-2 inches of rain so I'll see if I can do the compression today at least before pulling the belts off at some point by the end of the weekend.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  14. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Its just a easy thing to do before the "enevatable" :thumb:
     

    253  17

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 348  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 3K  17

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM

    4K  24

    1990 Eagle Talon TSi AWD
    13.612 @ 107.760 · 1G DSM
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  15. sinned4g63

    sinned4g63 Proven Member

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    Got my mechanics bore scope and found the balance shaft belt lying just below the cams. I can try to pull out what I can but is it smart to try a compression test with where the belt is?
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  16. motomattx

    motomattx Proven Member

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    Dig that balance shaft belt out first since you now know its laying in there, but for all we know it could have been laying in there for months or years and just now got tangled up and caused damage, then do a compression test.
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  17. sinned4g63

    sinned4g63 Proven Member

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    Got that belt out yesterday and did the compression check this morning, we have 225ish on the left 2 and 210ish on the right 2 with the engine cold. This is all I could see and grab of the belt. https://www.instagram.com/p/BvPxlqAFgty/?utm_source=ig_web_copy_link
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  18. motomattx

    motomattx Proven Member

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    Ok, it doesnt look like it jumped time then, at least not enough to bend valves, I am going to assume at this point that the balance belt damaged the crankshaft sensor, but thats hard to believe that it damaged that sensor without jumping timing, but not impossible. Next I would test that crankshaft sensor output, take a multimeter and check for 12v on one wire and ground on the other terminal, use the pinout information to do that, the key needs to be on and the sensor unplugged to test those, you will then plug the sensor in and have someone crank it over to test for a pulse from the sensor, this is going to be an easier thing to test than to randomly pull the sensor which requires removal of the motor mount and timing belt removal, I would eliminate everything simple first.
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  19. sinned4g63

    sinned4g63 Proven Member

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    Backprobe tested the ground and got 0 ohms, backprobed the power and only got 5v both per the service manual. I did not try testing the signal wire after that but if you still think it's worth it I will, I just figured with only 5v at the power it was no good either way.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  20. motomattx

    motomattx Proven Member

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    Thats a 5v sensor so 5v is fine, on one of the wires I shouldnt have said 12v I meant 5v, and its worth testing its output you should have 5v pulsed when cranking on the output, and if your seeing 5v on one of the wires that tells me that you have 12v going into it on one of the wires, you just need to make sure it pulses.
     
    Last edited: Mar 24, 2019

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  21. ThunderChild

    ThunderChild Supporting VIP

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    The output is the important one since it's what will supply signal to the ECU, and if the trigger wheel/sensor is fubar'd then you won't get an output.
     

    155  8

    1987 Toyota Pickup/Hilux
    awd · manual · Misc Vehicles

    Street Build 660  7

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM

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    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  22. sinned4g63

    sinned4g63 Proven Member

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    Even though the service manual says 12v, or was I reading something wrong? I'll test output either tomorrow or Tuesday. Thankfully I'm in a situation where I can take a little time.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  23. sinned4g63

    sinned4g63 Proven Member

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    True. I don't mind checking and learning while I'm at it but I'm kind of thinking replace it while I'm doing the belts and such anyways haha not like I want to put everything back together just to have the sensor crap out anyways for some reason.
     

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  24. motomattx

    motomattx Proven Member

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    So there should be 12v on one wire, ground on another wire and 5v to the other wire, the 5v should pulse when your cranking it, the same is true for the cam sensor, its been a while since I have messed with those and the Dsm's are unusual, I went back and pulled the factory schematic out and its powered by the main relay, so it would have 12v and then the ecu uses a pull down resistor on the 5v line.
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  25. sinned4g63

    sinned4g63 Proven Member

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    Drove it home yesterday! The belt didn't take out the wiring but it must have tweaked the plate when it broke because it basically cut the crank sensor in half. The plate was fine though and everything else was good during the disassembly, no surprises for us. Ran good for the cooling system and burping that for 15 minutes or so, drove it about 20 minutes home on the highway and everything felt good. Didn't hit anything above 3500 rpms yet but I'm just making sure it still feels normal after a few days.
     

    Attached Files:

    Street Build 1K  6

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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