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Old 03-11-2013, 06:53 PM   #1 (permalink)
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Default crankshaft sensor vitara 2002

...hi there.....could anyone tellme where the crankshaft position sensor is...??
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Old 03-11-2013, 07:03 PM   #2 (permalink)
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What engine do you have in that Vitara?

1.6 - it's at the very front of the oil pan
2.0 - it's on the back of the engine, in front of the flywheel - you'll have to pull the transmission & flywheel to get it out.
2.5 - it's behind the crank pulley, left side I think...
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Old 04-03-2013, 11:03 PM   #3 (permalink)
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...thanks folk, at least now I know where it is located, mine is a 2.0l
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Old 04-04-2013, 03:54 PM   #4 (permalink)
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Asterix do you have a hard start? like engine cranking but starting only after a few seconds? I also suspect a bad Crankshaft position sensor - CKP on my Suzuki Jimny 1.3 2003 that starts hard.
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Old 04-04-2013, 05:25 PM   #5 (permalink)
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Paollo - in my experience it's not unusual for a GV to crank for a couple of seconds before firing - mine does it, as does every other one I know of - and it's got nothing to do with the crank position sensor - what that primarily does (on the OBDII vehicles) is provide timing information for misfire detection - my GV, which is OBDI does not have it fitted, and I suspect, neither does yours.
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Old 04-05-2013, 02:05 AM   #6 (permalink)
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You are probably right. That means the spark synchronisation gets info from the Cam shaft position sensor?
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Old 04-05-2013, 08:22 AM   #7 (permalink)
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Yup - the CMP sensor on a vehicle with no CKP sensor is a different part to that used on a vehicle with both.

The longer crank time was initially a "source of curiosity" for me, but I never made the time to investigate it, especially as the vehicle has always started, and I have come to accept it as a possible trait of a DIS EFI equipped vehicle - I have two, from different manufacturers and both do it - in fact the only vehicle I have now that I can start literally by flipping the key is my older carbureted Swift -the spark synchronization there is completely mechanical, whereas the DIS EFI engines have to crank long enough for the ECU to figure out which cylinder is on the compression stroke, before they know which plug to fire.

I need to take a look at this to confirm it - I think the wife's car is DIS EFI with wasted spark, I don't recall that as having an extended crank, but then I very rarely drive it.
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Old 04-05-2013, 08:38 AM   #8 (permalink)
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Quote:
Originally Posted by fordem View Post
Yup - the CMP sensor on a vehicle with no CKP sensor is a different part to that used on a vehicle with both.

The longer crank time was initially a "source of curiosity" for me, but I never made the time to investigate it, especially as the vehicle has always started, and I have come to accept it as a possible trait of a DIS EFI equipped vehicle - I have two, from different manufacturers and both do it - in fact the only vehicle I have now that I can start literally by flipping the key is my older carbureted Swift -the spark synchronization there is completely mechanical, whereas the DIS EFI engines have to crank long enough for the ECU to figure out which cylinder is on the compression stroke, before they know which plug to fire.

I need to take a look at this to confirm it - I think the wife's car is DIS EFI with wasted spark, I don't recall that as having an extended crank, but then I very rarely drive it.
On my brother's Jimny 2003 OBD2 the cranking is very long ~ 6 seconds but only at the first start and after that the engine cranks only 1 second and it starts. After the engine gets to the operating temperature after I stop it and cranking again after 20 min, or even a day or a week, I have again a long cranking.

Starting the second day after engine has achieved its operating temperature last time it worked - extended cranking, hard start.

Starting the second day after engine didn't achieved its operating temperature last time it worked - short cranking, good start.

It is like something happens to the sensors or the engine when it achieves it's operating temp and the next time will have a hard start.

It has no error code on OBD2. Could this be normal?
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Old 04-14-2013, 10:33 AM   #9 (permalink)
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Default long cranking time

hi there....mine is a vitara 2.0l ...At first it start normally when it is cold, but once it gets hot it is hard to start, I 'm thinking in a problem with the fuel sistem.There are no codes and my OBD ll scanner shows no problems or even the camshaft sensor ( which I checked and seams ok in a visual inspection)... I replaced the timing chain and sprokets recently (800 bucks from suzuki dealer) in hope to fix that problem and also to solve a problem with vibration in the all car when it is idling, it is still the same, even when I replaced the engine mount it got worst,,,any suggestions?

PD:the new engine mount are those "Hydraulics" types but they seams to be very hard, finally I put the all ones back

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Old 04-14-2013, 10:49 AM   #10 (permalink)
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asterix - the 2.0 has a bit of a reputation for failed cam sensors causing problems when hot - soak a rag with cold water and put it on the cam sensor, see what effect that has on the hot start issue.
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