Knowledge Base

Owner Guides

Step-by-step guides for every Scion. Maintenance schedules, mod write-ups, buying checklists — written by owners, for owners.

troubleshooting intermediate

Scion 2AZ-FE Oil Consumption: Causes, Fixes & What It Costs

The 2.4L 2AZ-FE in the Scion tC and xB burns oil because of a piston oil-ring design flaw. Here's the real cause, how to confirm it, what the permanent fix involves, and what you can do short of a rebuild.

Scion tC Read guide →
maintenance beginner

Scion FR-S Oil Change & FA20 Maintenance Guide

Oil specs, capacities and service intervals for the Scion FR-S FA20 boxer engine (2013–2016), plus the valve spring recall every owner needs to check and why the engine dips at 4,000 rpm.

Scion FR-S Read guide →
maintenance beginner

Scion iA Maintenance Guide — Your Scion Is Mechanically a Mazda

The 2016 Scion iA is a rebadged Mazda2 sedan with a SkyActiv-G engine. Here's why that changes how you service it, which specs differ from Toyota-engined Scions, and the braking software recall to check.

Scion iA Read guide →
maintenance beginner

Scion iM Maintenance Guide — And Why It's a Corolla iM

Service specs for the one-year-only 2016 Scion iM, the instrument cluster recall to check, and how to find parts and service information under its Toyota Corolla iM identity.

Scion iM Read guide →
maintenance beginner

Scion iQ Maintenance & CVT Care Guide (2012–2015)

Service specs for the Scion iQ's 1.3L engine, why its CVT needs attention despite being called fill-for-life, and the occupant sensor recall affecting 2012–2013 cars.

Scion iQ Read guide →
buying beginner

Scion xB Gen 1 vs Gen 2: Which One Should You Buy?

The 2004–2006 and 2008–2015 Scion xB share a name and almost nothing else. Full comparison of size, engines, fuel economy, known problems and what each one is actually good at.

Scion xB Read guide →
maintenance beginner

Scion xD Maintenance & Ownership Guide (2008–2014)

Service specs, fluid intervals and known issues for the Scion xD and its 1.8L 2ZR-FE engine — plus the door switch recall every 2008–2009 owner should check.

Scion xD Read guide →
maintenance beginner

Scion tC Oil Change Guide — Step-by-Step for Both Generations

Complete oil change guide for the Scion tC (2004–2016). Covers both Gen 1 (2AZ-FE engine) and Gen 2 (2AR-FE engine) with correct oil specs, filter part numbers, and step-by-step instructions.

Scion tC Read guide →