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Replaced CPS, still no start!

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mjmilford

Probationary Member
3
0
Apr 16, 2014
Schaumburg, Illinois
Hello!

This is my first post. I'm trying to repair my neighbor's son's car. It's a 1996 Mitsubishi Eclipse 2.0 N/T. When he bought it the mechanic threw in a 1995 2.0 motor. I found this out the hard way.

Fast forward to two days ago. The car just completely died on him while driving to class. It would just turn over and over. His mom calls me, I come out to help. The car fires right up and it has engine codes (which he hasn't checked) so we try to drive it to Autozone. The car dies a few blocks away and won't start up. I have it towed straight to his garage. Because the Tach would not budge at all I assume it's the crankshaft position sensor. I go to replace it and figure out it had the 95' round pin connector so I order the pigtail and new CPS and install all of that yesterday. Go to start it and the same thing (just turns over).

My question is, should I just buck up and pa the $55 for the OBD2 scanner to scan it? Because it's a 95 OBD1 engine, are the diagnostics still the same? Do you think it's the camshaft position sensor now or should I run some diagnostics with a multimeter to pin point it?

Thanks all, I'm just trying to help him get to school and his family doesnt have the money for a mechanic.

Thanks,
Matt
 
Thanks guys, I'll try the keydance when I get back!

Looks like if I get a P1391 it doesn't narrow it down between crank/cam shaft position sensor. So if it does spit out that code I would have still replaced the crankshaft first, phew.

Any way to tell if the crankshaft position I installed is working before I replace the camshaft one?

Thanks,
Matt
 
Oh really?? Ok, that's good then. I apparently replaced the wrong sensor.

Ordered an OBD2 scanner from Amazon Prime. I'll look into replacing the Camshaft sensor as soon as it comes in. I'm sure I'll have to splice the pig tail on this one too. Is this difficult because the sensor is behind the cam gear?

Thanks!
 
If it was me I would find a chilton's or a repair manual. A lot cheaper, and get more use out of it. I believe most orielly's will let you loan a obd2 scan tool, with a little collateral of course.
 
The cam sensor is on the driver side of the head. It is real easy to get to. Don't touch it until you get the codes scanned. You have a 420a car so you shouldn't even need a scanner. All you have to do is turn the key on, off, on off and on in 5 seconds than wait for the check engine light to flash the code. 2GNT.com - PCM_Error_Codes . Another thing to consider is that a code for a certain sensor doesn't always mean that the sensor is bad. It can also indicate a short or open circuit in the wiring. Before replacing any sensor first verify that the wiring is good by testing the wire at each end for continuity. If all is well than replace the sensor. This will save you a ton of money doing it this way instead of buying a part that might or might not fix the issue.
 
I have the same kind of problem I have a 1995 tsi turbo automatic that will not start. Checked for spark nothing checked for fuel nothing went into the car and the check engine light is not coming on when in acc I had my buddy scan it and it was not communicating for some reason he said it hight be a ecu I found one fromantic a running car and still nothing any ideas?
 
test for signal voltage into the cam sensor and if u have that test for voltage out, while cranking. it should b ocilating. if u have none its a bad sensor
 
Scanner was a waste of money, like previous posts on a 420a you just do the key dance, doesn't matter if the engine is a year or two off on a 420a, 95-99 they are all pretty much the same.

I have the same kind of problem I have a 1995 tsi turbo automatic that will not start. Checked for spark nothing checked for fuel nothing went into the car and the check engine light is not coming on when in acc I had my buddy scan it and it was not communicating for some reason he said it hight be a ecu I found one fromantic a running car and still nothing any ideas?

Please don't thread jack dude, You have another thread with this post already on it, and your car is a 4g63 where OP of this thread is a 420a!
Grammar goes a long long way here, if we can't understand you, we can't help you. Word tells you what's spelled wrong or what's a incomplete sentence :)
 
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