914Rubber 2.0 L Throttle Position Sensor Board for Porsche 914 (1973-76)
PMB Performance has been the pulse of Porsche 914 restoration for 20 years, and our nearly two-decade bond with 914Rubber makes us the top retailer of their SKUs worldwide. We sell more 914Rubber parts—gaskets, bushings, and fuel system components—than anyone, because keeping your 914’s mid-engine spirit alive is our mission.
This 914Rubber throttle position sensor (TPS) board is designed for Porsche 914 2.0L models from 1973 to 1976 (L-Jetronic fuel injection, chassis numbers 473-29-00001 to 476-29-99999). It’s a precision component for the Bosch L-Jetronic system, signaling throttle position to the ECU for accurate fuel metering and spark timing. If your 914 hesitates on acceleration or idles erratically, this board can restore its snappy throttle response.
Why It’s Vital
Mounted in the throttle valve switch on the throttle body, the TPS board converts throttle movement into electrical signals, guiding the ECU to adjust fuel delivery and ignition. A degraded board—common in 50-year-old cars—leads to lean or rich conditions, causing stumbles, surging, or poor power. Our 20 years of 914 diagnostics show a faulty TPS often mimics other issues, like bad injectors. This 914Rubber board, built to OEM specs, fixes those gremlins and keeps your 2.0L crisp.
Technical Details
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Construction: Robust PCB with gold-plated traces for minimal resistance and durability, handling L-Jetronic’s 5V signals in humid or hot conditions.
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Role: Delivers variable resistance (0.5kΩ to 6kΩ) across throttle travel, ensuring precise air-fuel ratios (~14.7:1 at cruise, richer under load).
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Fitment: Suits 2.0L 914s (1973-76) with L-Jetronic TPS (Bosch 0 280 120 015). Not for 1.7L D-Jetronic or 1.8L models.
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Pro Tip: Verify pin alignment during installation to prevent damage. Inspect the throttle switch housing and use 914Rubber’s TPS gasket (on our site) to seal against air leaks. Test resistance across pins for smooth variance.
Why PMB Performance and 914Rubber?
We’ve rebuilt 914s from bare shells to track stars, mastering L-Jetronic quirks and fuel mapping along the way. Our partnership with 914Rubber reflects a shared passion for quality—every part we sell, like this TPS board, is vetted in our shop for fit and function. We carry their full catalog because generic parts don’t belong in a 914’s engine bay.