Question about 1999 Mitsubishi Eclipse

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My 1999 Eclipse gs engine light came on, DTC P1390.

The car idles like its out of timing sometimes then other times it idles ok

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P1390 - Timing belt skipped one tooth or more.


the engine is an interference engine so if the timing belt skipped, it should be fixed before starting the engine again. otherwise you run the risk of bend/break valves from piston to valve contact


My 1999 Eclipse gs engine light came on, DTC P1390 - d7446a6.jpg(click for full size)

Posted on Nov 15, 2008

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Code p1390 for mitsubishi


According to MitsubishiForum.com the code is about the engine timing being off.
Possible causes are the timing belt, cam, or crank sensor issues.
The code is "car specific" so each year and model can be different.

Jun 29, 2012 | 1998 Mitsubishi Eclipse

1 Answer

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

TIMING BELT SCHEMATIC ON A 1999 MITSUBIHI ECLIPSE 2.0


Since you didn't specify if you had the turbo or non-turbo engine, i'll give you links to both.
2.0L non-turbo (420a) RS/GS
2.0L turbo (4g63) GST/GSX

Sep 04, 2010 | 1999 Mitsubishi Eclipse

1 Answer

1999 mitsubushi eclipse shows p1390 engine code


have you had a recent timming belt if so get it re timmed

Jul 29, 2009 | 1999 Mitsubishi Eclipse

1 Answer

I have a 1999 gs mitsubishi eclipse my check engine light is on the code for the light is p1390 how do i get it fix need help


It appears that there might be a TSB (technical service bulletin) issued on this vehicle by Mitsubishi. Check with your local dealer to verify for certain. One link with brief summary of this on a 1998 model (yours might fall into this class too?) can be seen here and is as follows:

1998 Mitsubishi ECLIPSE 98 - Transmission TCM PCM > POWER TRAIN : AUTOMATIC TRANSMISSION : CONTROL MODULE (TCM, PCM) [Part 103100 ]
TSB No: 01 NHTSA ID: 622435 , May 01, 2001 : Replacement:
Summary: subject regarding diagnostic trouble code p1390 pcm relearn.

A fuller discussion on a 1996 with this code can be seen here. Scroll down to the answer.

Perhaps these will provide a bit of information prior to contacting your dealer. I've never worked in a dealership that charged for looking up & providing info on TSB's. Good luck.

If this helps to solve your problem then please take a moment to rate this post. - Thanks.

Jun 28, 2009 | 1999 Mitsubishi Eclipse

1 Answer

I have a Mistubishi eclipse GS 2.4 four cylinder the car idles extremely low and sometimes dies when i am sitting at stop lights out of gear or when i come to a stop and have it in nuetral. But when i turn...


your idle speed too low.take it to a dealer.they have to reset idle.it should be 600-800 rpms.when you turn on air conditioner.the computer steps up idling to keep engine from stalling .your curb idle too low.

Jun 22, 2009 | 2001 Mitsubishi Eclipse

1 Answer

Wont stay running


Could be get the specs and reset the timing. If it contiues then try working on the fuel filter or idle speed.

Apr 11, 2009 | 1993 Mitsubishi Eclipse

1 Answer

1997 2.0 y code engine mitsubishi eclipse


P1390 - Timing belt skipped 1(or more) tooth

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(click for full size)
cfc747a.jpg

Jan 21, 2009 | 1997 Mitsubishi Eclipse

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

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