Question about 1998 Dodge Neon

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Cam timing i change water pump n timing belt. now the check engine lite is on for code p1390 cam shaft is out of timing... does the position sensor need to be replaced or do i have to re-time the car?????

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  • Anonymous Mar 28, 2014

    was given a estimate of 1800 dollars toom uch thinking of not fixing..it there a cheaper way to keep this car

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I have a friend that has been a mechanic for a number of years now and he even did it with me.

Posted on Aug 21, 2012

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Usually when that code comes on after a belt change its because the cam or crank gear moved during tensioning,the cam and crank sensors are not in sync

Posted on Jan 18, 2009

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PCM= Powertrain Control Module. It is the brains of the car, it reads the sensor in put from all sensors including the cam shaft position sensor

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to check for timing belt see if you can watch the cam shaft movement through the oil filler hole while some one turns it over. If things move then have a code reader find the faulty sensor.. I would suspect faulty cam/ crank position sensor/wiring connections or engine immobiliser before a fuel pump

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Camshaft position sensor correlation bank 1 code


timing belt is off by a tooth or two. you probably didn\'t have to replace the coolant sensor; that code sets whenever the sensor is disconnected and the ignition is turned on; and it needs to be reset by disconnecting the battery or with a code reader. anyway, the crank/ cam sensors are out of sync. if you\'ve got the twin cam engine, they are a royal pain to get the belt to lay properly on the two cams.

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2008 Kia Rio-After I replaced the timing belt my check engine light came on. I was told that the cam shaft position sensor was bad and needed to be replaced. I replaced it and the check engine light came...


were the codes cleared after replacment if not try that
if they were test the wires for cam signal and check for damaged ---cuts---fraied---pinched

May 28, 2011 | 2008 Kia Rio

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My 1997 Mitsubishi Eclipse wont pass emissions because trouble code P1390. I dont know what this means? Ive researched it everyway I know? My check engine light wont come on at all? Help anyone? Thanks!


This is the direct definition of this code
Mitsubishi DTC P1390 - Timing Belt Skipped 1 Tooth or More.
Probable Causes,
-Timing belt improperly installed
-Camshaft position sensor improperly installed
-Camshaft position sensor connector improperly connected
-Crankshaft position sensor connector improperly connected
-Camshaft's relative position not relearned after one of the following have been serviced: Camshaft, Camshaft sprocket, timing belt tension-er, cylinder head, head gasket, crankshaft sprocket, crankshaft cylinder block or the PCM.

Sounds like something to do with the timing belt it self. You can go to any Autozone or Checker and ask for a code reader (they will let you use it for free) and it will show this code again. You can also reset the cars computer with the code reader to see if it comes back with the same code.

Nov 03, 2010 | 1997 Mitsubishi Eclipse

1 Answer

Hondai sonota


Which engine? 4 cylinder (2.4 lit) or V6 (2.7 lit)? Two different procedures as well as different belts. The 4 cylinder also has a balance belt. See next image:
42e8a57.jpg
Here's the 2.7 V6 belt:

44efb27.jpg
The replacement procedure is nearly the same at the start (removing, accy drive belts, pullys, support engine & remove front engine mount, remove T.B covers, disconnect Cam Position Sensor & Crank Position Sensor connectors, etc.). When you get to this point on the V6, you also have to remove the front engine mounting bracket from the front of the engine (4 14mm bolts, also a 12mm bolt which bolts the dipstick tube to the side of it) Put crank shaft at TDC (top dead center w/ALL timing marks aligned) remove hydraulic tensioner (2 12 mm bolts), then remove the belt. You'll need to recompress the hydraulic (auto) tensioner in a vise and insert a retaining pin through the pin-holes at the top (through the tensioner piston) to keep it compressed when you reinstall it. Otherwise, you won't be able to install it. Assembly is reverse order of dissassembly. Inspect your pullys while you're in there (check for pully bearing noise, leaking grease, smooth rotation, also the water pump pully, etc.) Replace components as needed. Careful not to damage Crankshaft Position Sensor wire harness.

The 4 Cylinder is quite different. You not only change the timing belt, but also the countershaft (balance) belt, which is behind the crank position sensor blade. IMPORTANT: ALL TIMING MARKS ALIGNED BEFORE REMOVING ANYTHING) There are two (2) counter-shafts (balance shafts). one driven by the timing belt, the other by the crankshaft sprocket behind the timing belt sprocket at the front of the crankshaft.
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Jun 02, 2009 | 2001 Hyundai Sonata

2 Answers

After replacing a camshaft position sensor a p1390 shows up


Cam sensor fires the injectors so ignition control is not really what it does. The crankshaft sensor provides spark control, the Cam sensor provides injector pulse timing.
The actual code no it throws is much more use for us to diagnose...pls specify the Engine light code and I can be much more helpful.
Why did u change the cam sensor for an oil leak? that does not seem to be an appropriate repair.... anyhow more info=better help
:)

Jan 17, 2009 | 1999 Mitsubishi Eclipse

3 Answers

1998 amigo timing 2.2 liter


The timing marks on the cam shaft sprockets are easily to see when you get the timing cover off. When the two cam shafts are lined up (pretty much at the top), then the crank should be almost down at the bottom.
Get yourself a good shop repair manual - I got mine from E-Bay for less than $15.00 (used).
Also, if your going to change the timing belt, have the water pump replaces at the same time.

Sep 12, 2008 | 1998 Isuzu Amigo

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