2000 Neon Fuel Problem
#11
03-10-2011, 06:37 PM
Well, you fixed a "major" sensor that needed to be fixed either way, so it isn't a loss. I believe there is an inspection hole on the timing belt cover where you can check the marks to see if they are aligned up? I've read that online; hopefully someone can confirm. I don't have the shop manuals on this computer to confirm or not.
#13
03-10-2011, 06:56 PM
#14
03-10-2011, 07:05 PM
Join Date: Mar 2011
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
#15
03-10-2011, 07:24 PM
Professional
Join Date: Feb 2011
Location: Clermont, Fl
Posts: 160
Likes: 0
Received 0 Likes
on
0 Posts
I don't know if you would take this as a confirmation or not but I was just under the hood of my 04' and looking at the timing belt cover there is a rubber plug at the top of the cover almost right behind the engine mount. I removed the plug and you can see inside, but with the mount where it is you can't really make anything out. Now a little further down there is another hole, now for that hole I couldn't see anything but a dead bee. So what that hole is for I have no idea except as a bee coffin.
#16
03-10-2011, 07:55 PM
Join Date: Mar 2011
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
Depends on what kind of bee it is. Is it a "Super Bee" ?
The code P1391 is cam position sensor and the crank position sensor. The cam sensor only tells the engine where number 1 should be. I replaced that one. From what I can tell the crank sensor looks like the one that could be causing my problem. Now I have to find the damn thing. I'm doing all this without a manual.
The code P1391 is cam position sensor and the crank position sensor. The cam sensor only tells the engine where number 1 should be. I replaced that one. From what I can tell the crank sensor looks like the one that could be causing my problem. Now I have to find the damn thing. I'm doing all this without a manual.
#17
03-10-2011, 10:14 PM
P0351 is Ignition Coil A Primary/Secondary Circuit Malfunction.
P1391 is Intermittent Loss of CMP or CKP.
The crank and cam sensor can cause the same set of problems. You fixed the wiring on the cam sensor, so that may have taken care of the circuit malfunction since the code is gone and it hasn't come back.
If the either sensor is intermittent and doesn't send a signal, even for a second, it'll kill the engine.
The crankshaft sensor is on the engine block near the starter (underneath it really).
Oh, if you want a manual, the shop manual link is in my signature.
P1391 is Intermittent Loss of CMP or CKP.
The crank and cam sensor can cause the same set of problems. You fixed the wiring on the cam sensor, so that may have taken care of the circuit malfunction since the code is gone and it hasn't come back.
The camshaft position sensor and crankshaft position sensor signals are sent to the PCM. If the PCM does not receive the signal within approximately 1 second of engine cranking, it deactivates the ASD relay and fuel pump relay. When these relays are deactivated, power is shut off from the fuel injectors, ignition coils, oxygen sensor heating elements and fuel pump.
The crankshaft sensor is on the engine block near the starter (underneath it really).
The PCM uses the Crankshaft Position sensor to
calculate the following:
² Engine RPM
² TDC number 1 and 4
² Ignition coil synchronization
² Injector synchronization
² Camshaft-to-crankshaft misalignment (Timing belt skipped 1 tooth or more diagnostic trouble code).
calculate the following:
² Engine RPM
² TDC number 1 and 4
² Ignition coil synchronization
² Injector synchronization
² Camshaft-to-crankshaft misalignment (Timing belt skipped 1 tooth or more diagnostic trouble code).
Last edited by darthroush; 03-10-2011 at 10:17 PM.
#19
03-15-2011, 08:43 PM
#20
03-23-2011, 11:45 AM
Join Date: Mar 2011
Posts: 12
Likes: 0
Received 0 Likes
on
0 Posts
One last question maybe you can help me with. For a year or so I have had a oil leak (a bad one) that I thought was comming from the rear main. The 2000 Neon has a skid plate in the way so I never could really look under it to confirm it was coming from the main. Now after the shop replaced the Crank Sensor the leak has completely stopped. Is the Crank Sensor up in that area and does it have a gasket on the sensor that could have been the leak problem? I don't know where the sensor is located but is it under that skid plate where it would give me the sence that it was a rear main leak?