Checks, in order
- Look under the truckLook at the exhaust between the engine and the muffler. Fresh saw cuts or a missing section confirm theft.easy $ · under about $50
- Report and insuranceFile a police report and call your insurer, since many comprehensive policies cover theft damage.easy $ · under about $50
- Exhaust leaks at jointsA ticking that fades when warm can be a manifold or flange leak. Check for soot at joints.medium $ · under about $50
- Efficiency codes without noiseP0420 or P0430 with a quiet exhaust call for checking upstream and downstream oxygen sensors and misfire history before replacing a converter.medium $$ · about $50 to $500
- PreventionA shield or cage and cat marking reduce the odds of a repeat theft.medium $$ · about $50 to $500
Applies to: 2016 to 2023 Tacoma with the 2TR-FE 2.7L four and the 2GR-FKS 3.5L V6, with the 6-speed automatic or 6-speed manual. Engine-specific checks are labeled; everything else applies to both.
Tools and parts for these checks
Links below are Amazon affiliate links: as an Amazon Associate, toyotadata earns from qualifying purchases, at no extra cost to you. Confirm fitment for your exact truck before you order.
| ITEM | USED FOR | BUY |
|---|---|---|
| Bluetooth OBD2 scanner with live data | Reading and clearing codes and watching live sensor data | Shop on Amazon |
| Catalytic converter shield | Making the converter harder to steal | Shop on Amazon |
Go deeper
Other emissions problems on the 3rd Gen Tacoma
More 3rd Gen Tacoma problems
- Automatic keeps hunting between gears or downshifts early on hills (Transmission)
- Harsh, delayed or shuddering shifts, flare between gears (Transmission)
- Engine temperature climbing or overheating warning (Cooling)
- Turn the key or press the button: click or nothing, engine won't crank (Starting & Charging)
- Engine cranks but won't start or dies right after starting (Fuel & Ignition)
- Rough idle, shaking at a stop or misfire (P0300 to P0306) (Fuel & Ignition)
All 16 3rd Gen Tacoma symptoms in the interactive troubleshooter →
General guidance from owner experience. Confirm torque specs, fluid capacities and procedures in the factory service manual. Brakes, steering and anything structural: if in doubt, have a qualified shop inspect it before driving.