The correct fuel pressure for a 1988 Mercedes-Benz 560 SL is typically around 36 to 43 psi (pounds per square inch) at the fuel rail. It’s important to ensure that the pressure is within this range for optimal engine performance. If you're troubleshooting fuel delivery issues, checking the fuel pressure with a gauge can help diagnose potential problems. Always refer to the vehicle's service manual for specific details and procedures.
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