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2003 hyundai santa fe 2.0 crdi crank sensor

Posted By Mel Randall 10/31/2011 4:05:38 PM
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Mel Randall
 Posted 10/31/2011 4:05:38 PM
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2003 hyundai santa fe 2.0 crdi automatic
this vehicle has been picked up from main dealers in tamworth and brought up to scotland to me after customer has spent over £1000 going in for non start. it has had immobiliser checked, code read where no faults came up and eventually fuel pump was replaced after main dealer said there was a leak from it, car ran 2 days and was returned as a non starter, main dealer then decided to do a leak back check on injectors where they said 2 injectors were faulty and wanted another £600 for replacing 2 injectors, car runs brilliant when it starts and was due to come back up here anyway. today i code read it with snap on solus pro and surprise 3 codes came up including the one i suspected crankshaft position sensor malfunction
as i have just moved to scotland from my premises in sheffield and havent got premises up here yet i let my autodata expire
could someone tell me where the cps is located on this vehicle otherwise i,m going to be scrambling about on the wet floor as i cant locate it looking under the bonnet unless it is what appears to be the cam sensor at the front of the engine Whistling
mel
K And R
 Posted 10/31/2011 4:14:15 PM
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Mel

If it runs OK, when it does start, i would change the cam sensor, as it only needed on start up.

Most likely another Snap-on faulty code w00t

Kev.

"If you dont KNOW how it works, don,t try to test or fix it"

10/31/2011 4:15:34 PM by K And R
Mel Randall
 Posted 10/31/2011 6:21:45 PM
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cheers for that kev cam sensor fault is quite feasible as when it does start it runs fine and it came around 380 miles to get here without any problems,
mel
Mel Randall
 Posted 11/30/2011 7:28:57 AM
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Vehicle back as a non starter, the cam sensor had been changed after being scoped and showing it was faulty, however i wasnt happy with the starting of the vehicle as it turned over several times before firing. it has been used and runs fine but on its last journey engine was turned off and now refuses to start. no fault codes, however while it was down at tamworth it had a new battery and i suspect something has caused a spike in ecu and is causing voltage problems whilst engine is turning over, i have checked diagnostic socket using a breakout box and getting strange readings from most of the pins
the chassis ground (4) lights up really bright but 5 (signal ground and 16 (battery voltage) are dim with 8.9.10.11 also lighting up dim which there shouldnt be voltages from. voltage readings with 4 used as the earth are 1,2,3,5,6,9,10,11,13,15 giving slightly fluctuating readings of between 7.68 to 7.75 volts, pin 7 2.03 t0 2.05, pin 8 5.29 to 5.33, pin 12 3.85 to 3.89 pin 1`4 1.09 volts pin 16 showing battery voltage as normal
using signal ground pin 5 and 16 i am getting a fluctuating reading of between 3.96 to 4.02 volts and using pin 5 as earth i am getting low fluctuating voltages from several of the pins
before the rain started i managed to scope an injector and was getting a slight trace but by then battery was too low to attempt to start
given up today and will have another go tomorrow when battery is charged, weather permitting as it is stuck outside
thoughts please as to the cause of the voltage readings which are fluctuating with just the ignition turned on, i suspect the ecu, could someone shed light on where it is hidden, also i wanted to scope crank sensor but cannot find that either, oh for my premises and ramp i left behind in sheffield Sad
mel


Essex Hyundai Tech
 Posted 12/3/2011 4:40:11 PM
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Check the cambelt timing first and then the injectors for leak off.

HYUNDAI/PEUGEOT TECH = GLUTTON FOR PUNISHMENT. IF YOU WANT HELP PLEASE SUPPLY THE LAST 8 DIGITS OF YOUR CHASSIS NUMBER
12/3/2011 4:43:14 PM by Essex Hyundai Tech
Mel Randall
 Posted 12/3/2011 5:14:55 PM
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cam belt timing is ok 2 injectors leak off slight difference but not way out, i suspect electrical problem with the voltages at diagnostic socket pins being a probability wont get back on vehicle til early next week
mel
K And R
 Posted 12/3/2011 5:25:34 PM
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Mel

Genuine sensor ?

Kev.

"If you dont KNOW how it works, don,t try to test or fix it"

Mel Randall
 Posted 12/3/2011 6:31:43 PM
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kevin
yes a genuine hyundai sensor and when scoped it is as it should be
mel
AntTheCat
 Posted 12/4/2011 4:24:38 PM
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Have you scoped/tested the crank sensor as it did have an original fault as crank sensor, i know the cam sensor can cause non start but it seems like the crank sensor has been overlooked, if scoping crank best to be scoped at ecu end, rules out wiring also.

Would rather be playing pool.
Mel Randall
 Posted 12/4/2011 5:27:59 PM
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ant
got no data on these at all so i am working in dark as in my earlier post, what bothers me is voltages at most of the data connector pins where there shouldnt be any voltages. going to look again sometime this week but open to any thoughts about it, any comment is appreciated
mel

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