March 12, 2020
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…
Tony Callas | Callas Rennsport | 310-504-1809
March 12, 2020
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…