Porsche Engine Bore-Scoring Preventive Maintenance
There’s been a lot of chatter lately about Porsche engine Bore-Scoring issues in relation to the 9X6’s (986 & 996) and 9X7’s (987 & 997). Without a doubt, these issues do exist, our goal is to mitigate the chances of this happening to you and your car. With these simple measures, you should have better…
Tony Callas | Callas Rennsport | 310-504-1809Cayenne Base (6 cylinder) Fault P12A2
SCAN TOOL: Scan DME for faults. SCAN TOOL: Check DFI SET-POINT and ACTUAL high pressure circuit pressures in actual values (35000.00 mbar). SCAN TOOL: Check MAF READINGS (Mass air flow) sensor. Engine OFF and Key ON, MAF Signal voltage not to exceed 1.2 Volts. SCAN TOOL and MANOMETER: Fuel trim values and check crankcase breather…
Porsche Fuel Trim Guide
DME 5.2.2 Throttle By Cable DME 7.2 E-Gas (Electronic Throttle) DME 7.8 3-Chain and Turbo ————————————— Oxygen Sensing or Fuel Trim Mean Value (Short Term Fuel Trim= STFT): This is Lambda Long term fuel trim is always working to keep this at “1”. Less than one is rich and greater than one is lean. Please…
CRtechs Pre-Purchase Inspection Guidelines
Pre-Purchase Inspection Guidelines Test drive Check engine oil level Control module interrogation (If applicable) Run PIWIS Tester & print all fault codes Check for any Range #2 or #4-6 over revs. Check POSIP for any occurrences-incident history (If no accidents, these should be all 0’s) Check production date of POSIP Control Unit (Compare to vehicle…