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7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Test ok....same mileage in/out

Performed · outcome unconfirmed

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Performed · outcome unconfirmed · Original poster

After wire repairs car tested ok....same mileage in/out.

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Reset cel - i got mine

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Suggestion

OBDII Meter is a useful tool for codes and resetting CEL - I got mine from Harbor Freight.

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Leading evidence: 'Test ok....same mileage in/out' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Reset cel - i got mine' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Reset cel - i got mine

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No successful repair reported for this finding.

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Suggestion

OBDII Meter is a useful tool for codes and resetting CEL - I got mine from Harbor Freight.

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Frequently discussed actions (2)

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Reset cel - i got mine

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

OBDII Meter is a useful tool for codes and resetting CEL - I got mine from Harbor Freight.

info sources

Test ok....same mileage in/out

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

After wire repairs car tested ok....same mileage in/out.

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

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Generation: 20261027T000231Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Where is an info/procedure source for the DIY types. My girl friend has a 99 996 and the cel came on twice and both times she called for a tow. Both times it had an intermittent misfire, rough idle. The shop discovered after removing the battery that mice had been eating the wiring to a "sensor". After wire repairs car tested ok....same mileage in/out. They suggested she drive it and if problem reappears bring it back. First time it rained with car outside, cel and misfire, tow truck back to dealer. "GOT TO LOVE THE TOW TRUCK THING" she understands the value of a Porsche, that cel comes on she pulls over. Dealer called to report a bad ignition coil. I am a 951 kinda guy and we have Clark's Garage, I have factory manuals, and between the two I feel I have enough info to perform 75% of the repairs. Where should I get a code reader for a Porsche 996 ? Are factory manuals for a 996 worth the paper they are printed on ? Do u have an online source for info like Clark's Garage ? Thanks for any help.

POST 2Original post

Renn tech Porsche has a good DIY section. http://www.renntech.org/forums/index.php Durametric software is good OBD11 for Porsche http://www.durametric.com/ Cracked coils are not uncommon.

POST 3Original post

These are old, but still useful. http://www.cannell.co.uk/Manuals.htm

POST 5Original post

Quotes source post: 6400689

You can get all the parts numbers for [virtually] every porsche here: https://techinfo.porsche.com/techinf...e=MainFrameSet -td

POST 6Original post

You can get a cheaper code reader than durametric. Harbor Freight J.C. Whitney $50-$100 will read and erase codes.Very worthwhile to have.Renntech has all the codes listed I keep a copy in the trunk with the reader so I know if I can keep on going or call the tow.

POST 7Original post

Also, talk with your GF - if the CEL is on steady, you can continue to drive - you only need to stop the car if it's a flashing CEL. OBDII Meter is a useful tool for codes and resetting CEL - I got mine from Harbor Freight. http://www.harborfreight.com/cpi/cta...emnumber=98614 996 Codes list below: P0101 Mass Air Flow Sensor - Signal Implausible P0102 Mass Air Flow Sensor - Below Lower Limit P0103 Mass Air Flow Sensor - Above Upper Limit P0112 Intake Air Temperature Sensor - Below Lower Limit P0113 Intake Air Temperature Sensor - Above Upper Limit P0115 Engine Temperature Sensor - Signal Implausible P0117 Engine Temperature Sensor - Below Lower Limit P0118 Engine Temperature Sensor - Above Upper Limit P0122 Throttle Position Sensor - Below Lower Limit P0123 Throttle Position Sensor - Above Upper Limit P0130 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Intercore Short Circuit or Limited P0131 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Signal Wire Short Circuit to P0132 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Short Circuit to B+ P0133 Aging of Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Below Lower Limit P0134 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Interruption of Signal P0136 Oxygen Sensor After Catalytic Converter (Cylinders 1-3) - Intercore Short Circuit P0137 Oxygen Sensor After Catalytic Converter (Cylinders 1 - 3) - Signal Wire Short Circuit to Ground or Incorrect P0138 Oxygen Sensor After Catalytic Converter (Cylinders 1 - 3) - Short Circuit to B+ P0139 Aging of Oxygen Sensor After Catalytic Converter (Cylinders 1 - 3) P0140 Oxygen Sensor After Catalytic Converter (cylinders 1 - 3) - Interruption of Signal P0150 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Intercore Short Circuit or Limited P0151 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Signal Wire Short Circuit to P0152 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Short Circuit to B+ P0153 Aging of Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Below Lower Limit P0154 Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Interruption of Signal P0156 Oxygen Sensor After Catalytic Converter (Cylinders 4 - 6) - Intercore Short Circuit P0157 Oxygen Sensor After Catalytic Converter (Cylinders 4 - 6) - Signal Wire Short Circuit to Ground or In - P0158 Oxygen Sensor After Catalytic Converter (Cylinders 4 - 61 - Short Circuit to B+ P0159 Aging of Oxygen Sensor After Catalytic Converter (Cylinders 4 - 6) P0160 Oxygen Sensor After Catalytic Converter (Cylinders 4 - 6) - Interruption of Signal P0197 Oil Temperature Sensor - Short Circuit to Ground P0198 Oil Temperature Sensor - Short Circuit to B+ P0300 Misfire Damaging to Catalytic Converter P0301 Misfire, Cylinder 1, Damaging to Catalytic Converter P0302 Misfire, Cylinder 2, Damaging to Catalytic Converter P0303 Misfire, Cylinder 3, Damaging to Catalytic Converter P0304 Misfire, Cylinder 4, Damaging to Catalytic Converter P0305 Misfire, Cylinder 5, Damaging to Catalytic Converter P0306 Misfire, Cylinder 6, Damaging to Catalytic Converter P0336 Crankshaft Position Sensor - Not in Specified Range P0341 Camshaft Position Sensor 1 - Signal Implausible, Short to Ground, Short to B+ P0410 Secondary Air Injection System - Signal Implausible (Cylinders 1 - 3) P0420 Catalytic Converter Conversion Too Low (Cylinders 1 - 3) P0430 Catalytic Converter Conversion Too Low (Cylinders 4 - 6) P0440 Fuel Tank Ventilation System - Above Limit P0441 Fuel Tank Ventilation System - Above Limit P0442 Fuel Tank Ventilation System (Micro-leak) - Below Lower Limit P0444 EVAP Canister Purge Valve - Open Circuit P0445 EVAP Canister Purge Valve - Short to B+/Short to Ground P0446 EVAP Canister Shutoff Valve (Function) - Below Lower Limit P0447 EVAP Canister Shutoff Valve (Output Stage) - Open Circuit P0448 EVAP Canister Shutoff Valve (Output Stage) - Short to B+/Short to Ground P0450 Tank Pressure Sensor - Signal Implausible P0452 Tank Pressure Sensor - Short to Ground P0453 Tank Pressure Sensor - Short to B+ P0455 Fuel Tank Ventilation System (Major Leak) - Below Lower Limit P0501 Vehicle Speed - Not in Specified Range P0506 Idle Air Control - Idle Speed Too Low P0507 Idle Air Control - Idle Speed Too High P0600 CAN Time-out - Signal Implausible P0603 ECM Faulty P0604 ECM Faulty P0605 ECM Faulty P1102 Oxygen Sensor Heating 1 Ahead of Catalytic Converter - Above Upper Limit P1105 Oxygen Sensor Heating 1 After Catalytic Converter - Above Upper Limit P1107 Oxygen Sensor Heating 2 Ahead of Catalytic Converter - Above Upper P1110 Oxygen Sensor Heating 2 After Catalytic Converter - Above Upper Limit P1115 Oxygen Sensor Heating 1 After Catalytic Converter - Above Upper Limit P1117 Oxygen Sensor Heating 1 After Catalytic Converter - Below Lower Limit P1119 Oxygen Sensor Heating 2 Ahead of Catalytic Converter - Below Lower Limit P1121 Oxygen Sensor Heating 2 After Catalytic Converter - Below Lower Limit P1123 Oxygen Sensing Adaptation Area 1 (Cylinders 1 - 3) - Lean Threshold P1124 Oxygen Sensing Adaptation Area 1 (Cylinders 1 - 3) - Rich Threshold P1125 Oxygen Sensing Adaptation Area 1 (Cylinders 4 - 6) - Lean Threshold P1126 Oxygen Sensing Adaptation Area 1 (Cylinders 4 - 6) - Rich Threshold P1127 Oxygen Sensing Adaptation Area 2 (Cylinders 1 - 3) - Lean Threshold P1128 Oxygen Sensing Adaptation Area 2 (Cylinders 1 - 3) - Rich Threshold P1129 Oxygen Sensing Adaptation Area 2 (Cylinders 4 - 6) - Lean Threshold P1130 Oxygen Sensing Adaptation Area 2 (Cylinders 4 - 6) - Rich Threshold P1140 Load Sensing - Signal Implausible P1157 Engine Compartment Temperature Sensor - Short Circuit to Ground P1158 Engine Compartment Temperature Sensor - Short Circuit to B+ P1213 Fuel Injector, Cylinder 1 - Short to B+ P1214 Fuel Injector, Cylinder 2 - Short to B+ P1215 Fuel Injector, Cylinder 3 - Short to B+ P1216 Fuel Injector, Cylinder 4 - Short to B+ P1217 Fuel Injector, Cylinder 5 - Short to B+ P1218 Fuel Injector, Cylinder 6 - Short to B+ P1225 Fuel Injector, Cylinder 1 - Short to Ground P1226 Fuel Injector, Cylinder 2 - Short to Ground P1227 Fuel Injector, Cylinder 3 - Short to Ground P1228 Fuel Injector, Cylinder 4 - Short to Ground P1229 Fuel Injector, Cylinder 5 - Short to Ground P1230 Fuel Injector, Cylinder 6 - Short to Ground P1237 Fuel Injector, Cylinder 1 - Open Circuit P1238 Fuel Injector, Cylinder 2 - Open Circuit P1239 Fuel Injector, Cylinder 3 - Open Circuit P1240 Fuel Injector, Cylinder 4 - Open Circuit P1241 Fuel Injector, Cylinder 5 - Open Circuit P1242 Fuel Injector, Cylinder 6 - Open Circuit P1265 Airbag Signal - Signal Implausible P1275 Aging of Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Below Lower Limit P1276 Aging of Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Below Lower Limit P1313 Misfire, Cylinder 1, Emission Relevant P1314 Misfire, Cylinder 2, Emission Relevant P1315 Misfire, Cylinder 3, Emission Relevant P1316 Misfire, Cylinder 4, Emission Relevant P1317 Misfire, Cylinder 5, Emission Relevant P1318 Misfire, Cylinder 6, Emission Relevant P1319 Misfire, Emission Relevant P1324 Timing Chain out of Position, Bank 2 - Below (or Above) Lower Limit P1340 Timing Chain out of Position, Bank 1 - Below (or Above) Lower Limit P1384 Knock Sensor 1 - Signal Implausible P1385 Knock Sensor 2 - Signal Implausible P1386 Knock Control Test Pulse - Signal Implausible P1397 Camshaft Position Sensor 2 - Signal Implausible, Short to Ground, Short to B+ P1411 Secondary Air Injection System - Signal Implausible (Cylinders 4 - 6) P1455 A/C Compressor Control - Open Circuit P1456 A/C Compressor Control - Above Upper Limit P1457 A/C Compressor Control - Below Lower Limit P1501 Fuel Pump Relay Output Stage - Short Circuit to Ground P1502 Fuel Pump Relay Output Stage - Short Circuit to B+ P1510 Idle Air Control Valve Opening Coil - Above Upper Limit P1512 Intake Manifold Switchover 1 (Output Stage) - Short to B+ P1513 Idle Air Control Valve Opening Coil - Below Lower Limit P1514 Idle Air Control Valve Opening Coil - Open Circuit P1515 Intake Manifold Switchover 1 (Output Stage) - Short to Ground P1516 Intake Manifold Switchover 1 (Output Stage) - Open Circuit P1524 Camshaft Adjustment, Bank 2 P1530 Camshaft Adjustment, Bank 1 P1531 Camshaft Adjustment, Bank 1 P1539 Camshaft Adjustment, Bank 2 P1541 Fuel Pump Relay Output Stage - Open Circuit P1551 Idle Air Control Valve Closing Coil - Open Circuit P1552 Idle Air Control Valve Closing Coil - Below Lower Limit P1553 Idle Air Control Valve Closing Coil - Above Upper Limit P1570 Immobilizer - Implausible Operating Range P1571 Immobilizer - Open Circuit / No Signal P1585 Misfire with Empty Fuel Tank P1600 Voltage Supply - Signal Implausible (or Below Lower Limit) P1601 Voltage Supply - Above Upper Limit P1602 Voltage Supply - Open Circuit P1640 ECM Faulty P1671 Engine Compartment Purge Fan Output Stage - Open Circuit (or Short Circuit to Ground or Short Circuit to B+) P1673 Fan Output Stage - Open Circuit (or Short Circuit to Ground or Short Circuit to B+) P1689 ECM Faulty P1691 Check Engine Malfunction Indication Light (MIL) - Open Circuit P1692 Check Engine Malfunction Indicator Light (MIL) - short Circuit to Ground P1693 Check Engine Malfunction Indicator Light (MIL) - Short Circuit to B+ P1782 Engine Engagement / Nominal Engine Torque - Short Circuit to Ground

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