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Parts for your 2000 Honda Stream-Throttle position sensors
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2000 Honda Stream throttle position sensor (TPS): what it does and how to look after it
Based on Honda’s RN1/RN2 Stream service information and the Honda EPC (Electronic Parts Catalogue), the 2000 Honda Stream is fitted with a throttle position sensor. On D17A-powered RN1/RN2 models the throttle is cable-operated and uses an external, adjustable 3‑pin TPS mounted on the throttle body. Honda diagnostic literature for this model family also lists OBD‑II TPS fault codes (P0121–P0123), confirming the sensor’s role in engine management.
The TPS tells the engine control module exactly how far the throttle plate is opened. That tiny voltage signal is used to fine‑tune fuelling and ignition timing, manage idle stability, enable decel fuel cut, and smooth out tip‑in so the Stream feels crisp off the line without gulping fuel. On auto models it also helps the transmission decide on shift timing under load. When a TPS goes out of whack, the Stream can feel doughy one moment and jumpy the next.
Typical warning signs of a crook TPS include:
- Hesitation, flat spots, or surging on light throttle
- Erratic idle or stalling when stopping
- Poor fuel economy and harsher shifts in autos
- Check Engine Light with codes like P0121, P0122, or P0123
There’s no set replacement interval for the throttle-position sensor, it’s a “inspect and as-needed” item. As part of servicing, it’s worth checking the connector for corrosion, making sure the throttle body isn’t gummed up, and verifying smooth sensor output. A quick multimeter check at the signal wire should show a steady rise from roughly 0.5 V at closed throttle to about 4.5 V at wide open, without dead spots. If the reading flickers or drops out, it’s time for a new sensor.
When replacing the TPS on a 2000 Honda Stream, quality matters—genuine or a reputable aftermarket brand helps avoid drivability gremlins. Because the original unit is adjustable, it needs to be set correctly:
- Disconnect the battery and remove the air duct for access.
- Mark the old sensor’s position, then remove it. Don’t force the throttle shaft.
- Fit the new sensor and lightly snug the screws.
- Back‑probe the signal, set closed‑throttle voltage to around 0.48–0.52 V (check workshop specs), then torque the screws.
- Clear fault codes and perform an idle learn procedure so the ECU adapts.
Most workshops will knock this over in about an hour. Keeping the TPS healthy helps the Stream run smoothly, sip less fuel, and shift more cleanly—well worth the bit of attention under the bonnet.
Popular questions about 2000 Honda Stream throttle position sensors
Where is the TPS on a 2000 Honda Stream?
The TPS sits on the side of the throttle body, opposite the throttle cable pulley. It’s a small, black plastic sensor with a 3‑pin connector. You’ll reach it after removing the intake snorkel for space.
Do I need to calibrate the TPS after replacement?
Yes. The adjustable TPS on these models should be set to the correct closed‑throttle voltage before tightening the screws. After that, clear any codes and carry out an idle learn so the ECU can settle trims and idle control.
Can a dirty throttle body cause TPS‑style symptoms?
It can. A sticky throttle plate can mimic a failing TPS with unstable idle or hesitation. Clean the throttle body first, check the wiring and connector, then test the TPS output for smooth, linear voltage before deciding to replace it.
