SSM72559

TOPix - SSM72559 - 2.0L GTDi Check Engine Light Illuminated with DTC P2096 and o... Page 1 of 2
Reference
SSM72559
Models
Discovery Sport / L550
Range Rover Evoque / L538
Title
2.0L GTDi Check Engine Light Illuminated with OTC P2096 and or P2097 Stored in
PCM
Category
Driveabi lity
Last modified
18-Dec-2015 00:00:00
Symptom
698298 Malfunction Indicator Lamp
Attachments
High-Pressure Diagnostic Leak Detector lnformation.pdf (High-Pressure Diagnostic
Leak Detector lnformation.pdf)
Content
Issue:
Customer has observed 'Check Engine Light' - also known as 'Engine Malfunction
Indicator Lamp (MIL)' - illuminated in the instrument cluster & P2096-00 and or P209700 is evident in the PCM.
Action:
As per the 'Possible Cause' listed in TOP Ix, there may be an air leak in the exhaust
system. Carry out a leak check of the exhaust system and follow the actions as detailed
below:
1. Perform a pressurized smoke test of the exhaust system using the JLR 'HighPressure Diagnostic Leak Detector' test equipment. Note:
0
Maximum test pressure for ALL exhaust system gas joints is 0.5 bar (7.3 PSI).
°‫ݻ‬
Flow rate is visible on the test equipment on the front right hand side (see file
'High-Pressure Diagnostic Leak Detector lnformation.pdf' attached). The midpoint/ widest point of the float, is the reference point to be used, when reading
the value. Allow the value to settle while the system is filled with smoke.
Please record this value for submission on either TA or EPQR.
0
The Turbocharger Wastegate pressure linkage arm has a clearance fit with the
bush at the wastegate and therefore under these specific test conditions, a
'leak' is expected to be seen and will not be the cause of the CEL. (This may
only be evident when the engine has been left not running for more than 6
hours)
2. When pressurizing the exhaust system with smoke pay particular attention to:
0
The welding around the bosses where the 02 sensors are fitted
0
The flange where the turbocharger and exhaust meet
0
The flexible coupling
0
The flange where the primary and secondary catalytic converters meet.
http://topix.landrover.jlrext.com/topix/service/arc hi ve/606913/index
1/7/2016
TOPix - SSM72559 - 2.0L GTDi Check Engine Light Illuminated with DTC P2096 and o... Page 2 of 2
0
Note: A hole as small as a pin-head may trigger the fault so the system must be
examined very carefully. (Soapy water has been used to good effect to help
find these small leaks). A leak downstream of the 3rd 02 sensor but before the
rear exhaust section may also trigger the fault. If a leak is found please raise a
TA for further assistance.
3. Check the 3 bolts which connect the turbocharger to the catalytic converter are
tightened to 24Nm / 18Lb-ft - do not loosen bolts first only tighten them.
4. Check each of the 3 heated 02 sensors are tightened to 4 7 Nm / 35 Lb-ft - do not
loosen bolts first only tighten them.
5. If a leak is detected when performing steps 1 to 4, please collect photographic
evidence when possible, rectify the problem and proceed to step 6.
6. Clear fault codes, road test the vehicle as follows:
0
Allow the engine coolant to reach NORMAL operating temperature by driving or
allowing the engine to idle.
0
Drive the vehicle on a highway (preferred).
0
Accelerate the vehicle to simulate an overtaking maneuver to increase engine
load for a short amount of time. Recommended 20-50 mph (30-80 km/h) with
approximately 50 - 75% throttle pedal opening.
°Կ

Cruise at highway speed, (higher vehicle speed allows better operation of the
diagnostic) target 70 mph (11 O km/h) (preferred) or> 50 mph (80km/h) for 5
minutes keeping the accelerator pedal as steady as possible or preferably
using cruise control.
0
Repeat the 'Accelerate' step followed by a 'Cruise at highway speed step 2
further times.
7. On return to the Retailer check for fault codes stored within the PCM.
0
If no fault codes have returned submit an EPQR detailing the repair and return
the vehicle to the customer.
0
If the fault codes return, please raise a TA for further assistance.
8. Please retain any replaced component parts for potential PRR.
http://topix.landrover.jlrext.com/topix/service/arc hi ve/606913/index
1/7/2016
High-Pressure Diagnostic Leak Detector
The high-pressure diagnostic leak
detector has a variety of applications in
detecting even very small leaks in
different applications
••• •••••
••• •••
••• •••
••• •••
••• •••
••• •••
Flow rate is visible on the test equipment on the
front right hand side. The mid-point/ widest
point of the float, is the reference point to be
used, when reading the value. Please record this
value for submission on either TA or EPQR.
••• •••
Flow Meter
I/min AIR