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Results for DTC
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  • Forum Reply: RE: Fuel cap not venting and creating negative pressure in tank

    Emission controlled vehicles from approximately 1972 to 2015 use mainly non-vented fuel caps. Check your vehicle year’s application and replace the fuel cap. Scan your vehicle for related DTCs , such as EVAP (evaporative emission constrol system) codes. Check for TSBs on your vehicle. Check...
  • Forum Reply: RE: Car stutters and struggles starting

    It very well could be. Fuel pumps are notorious for failing at the gas pump. Another possibility is the vapor recovery system for the fuel tank. I would have the fuel pressure tested and test for trouble codes (DTCs). Learn about your car's fuel system, testing, fuel pressure specifications, and...
  • Forum Reply: RE: 2011 chevy cruze 1.8 liter - from Jimmy

    Jimmy, did you check for ignition spark at the plugs? A scan tool can be a big help. Are any diagnostic trouble codes (DTCs) stored in the car's engine control module (ECM)? Check your ChiltonDIY diagnostics. Here's an excerpt: "The ECM enables the fuel pump relay when the ignition switch...
  • Forum Reply: RE: Alarm/key symbol came on and the car would not start - from Shirley

    Hi Shirley! If your fuel pump is bad, a fuel pressure test will confirm the problem. But you may have a faulty immobilizer system. Has the vehicle's immobilizer system been scanned for diagnostic trouble codes (DTCs) and checked out?