No. 21-13

Symptom-based workshop manual
Service
21/13
ENU
2873
2
2873N0 Eliminating drive symptoms: Reworking crankshaft pulse sender
(Engine difficult to start and rough-running/SY2113)
General Information
Model Year:
As of 2012 up to 2014 Sports Cars (9x1)
Information
These symptom-based repair instructions replace the previous repair instructions.
Changes/additions compared to the previous repair instructions:
♦
Information about the revised part number index and the fact that the spacer MUST be fitted was added
under "Tools and materials".
Symptom
The engine is difficult to start and is rough-running.
Cause, date of introduction and remedial action
Cause
The crankshaft pulse sender signal can be misinterpreted under certain operating conditions due to unfavourable
tolerances between the crankshaft pulse sender (also referred to as 'speed sensor') and sensor wheel.
Date of introduction
As of 12 September 2013, a spacer is fitted on the crankshaft pulse sender as a tolerance compensation measure.
Remedial action
Before doing any other work, check that a spacer is already fitted on the crankshaft pulse sender.
 If the spacer is not yet fitted on the crankshaft pulse sender, the spacer must be retrofitted.
Tools and materials
Tools and materials
991.606.112.02 — NEW — Speed sensor
991.606.912.00 Spacer (ALWAYS install a spacer if a spacer is not yet fitted)
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Sep 22, 2020
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Service
2873
ENU
Symptom-based workshop manual
21/13
Reworking crankshaft pulse sender
Reworking crankshaft pulse sender
Figure 1
1.
Before doing any other work, check that the spacer is already
fitted on the crankshaft pulse sender.
You can do this using a mirror, for example.
 Spacer is already fitted: End of action required.
2.
Remove crankshaft pulse sender, see Workshop Manual
 '287319 Removing and installing crankshaft pulse sender section on "Removing"'.
3.
Fit spacer (Part No. 991.606.912.00) between the transmission
housing and crankshaft pulse sender.
4.
Install crankshaft pulse sender, see Workshop Manual  '287319
Removing and installing crankshaft pulse sender - section on
"Installing"'.
End of action required.
Sep 22, 2020
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AfterSales
Symptom-based workshop manual
Service
21/13
ENU
2873
2
Working time
Working time
287319 00: Removing and installing pulse
sender
Labor time: 28 TU
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2020 Porsche Cars North America, Inc.
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