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x5 e53. when its hot it doesnt start
05-05-2019, 18:24 PM,
Post: #1
XZBMW  x5 e53. when its hot it doesnt start
hello guys..there is a problem in x5 e53
when the car is hot  it doesnt start
and when this happens there is always the same stored fault in the ista
dde program,and speed sensor faulty
i have change the  dde and the sensor
and it goes the same
has anyone any explanation about this problem ?
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05-05-2019, 18:49 PM,
Post: #2
RE: x5 e53. when its hot it doesnt start
first of all you need to give us more info about the car and DTC. 
what sensor did you change camshaft? crankshaft?

No help for people not give a feedback
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05-05-2019, 19:02 PM,
Post: #3
RE: x5 e53. when its hot it doesnt start
base on info that's provides now, it sounds like CPS sensor ( easiest way to test, get big bottle of water (1GL/5 Liters) Once your X5 got hot pure water on back of engine where sensor is located at, if your car starts, go ahead and replace it.) Similar to EVERY mercedes, Also to double check during cracking of an engine check if your RPM gauge is moving or not

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05-05-2019, 19:42 PM,
Post: #4
RE: x5 e53. when its hot it doesnt start
(05-05-2019, 18:49 PM)loki954 Wrote:  first of all you need to give us more info about the car and DTC. 
what sensor did you change camshaft? crankshaft?

yeah right
the crankshaft sensor
also the faults are exactly
(dde error program)
and crankshaft sensor faulty
so i change the dde and program her
and i replace the crankshaft sensor with a new one
also everything else running pretty good
injector and etc!!!

(05-05-2019, 19:02 PM)CATAHA Wrote:  base on info that's provides now, it sounds like CPS sensor ( easiest way to test, get big bottle of water (1GL/5 Liters) Once your X5 got hot pure water on back of engine where sensor is located at, if your car starts, go ahead and replace it.) Similar to EVERY mercedes, Also to double check during cracking of an engine check if your RPM gauge is moving or not

cps my friend ?
u mean crankshaft sensor ?
if u mean crankshaft sensor then its fine
i ve tested him
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05-05-2019, 23:44 PM, (This post was last modified: 05-05-2019, 23:59 PM by CATAHA.)
Post: #5
RE: x5 e53. when its hot it doesnt start
(05-05-2019, 19:02 PM)CATAHA Wrote:  base on info that's provides now, it sounds like CPS sensor ( easiest way to test, get big bottle of water (1GL/5 Liters) Once your X5 got hot pure water on back of engine where sensor is located at, if your car starts, go ahead and replace it.) Similar to EVERY mercedes, Also to double check during cracking of an engine check if your RPM gauge is moving or not


cps my friend ?
u mean crankshaft sensor ?
if u mean crankshaft sensor then its fine
i ve tested him
and the wiring to "him" the cps? u mean crankshaft sensor ? YES


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12-05-2019, 20:28 PM,
Post: #6
RE: x5 e53. when its hot it doesnt start
does the temperature gauge show full red when the car doesnt start???
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