The A9B7 offered enough horsepower (110bhp) to comfortably cruise on the Autoroute at 130 km/h while returning respectable fuel economy in the city. It didn't suffer from the complexity of early direct injection systems, nor did it have the turbo lag associated with the early THP (Prince) engines. It was a simple, naturally aspirated engine built to last.
: Because the ignition relay provides power to the engine ECU, this fault can cause a complete lack of communication with the engine management system, making standard diagnostics difficult. Potential Causes & Diagnostic Steps a9b7 peugeot
