#TSI
6 posts in Car Diagnostics blog about "TSI" — OBD-II diagnostics, DTC codes, repair. ← All posts
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VW Polo: OBD diagnostics across the small-engine generations
Small VAG engines, big VAG documentation. The Polo shares almost everything with the Fabia and Ibiza, which makes its fault list easy to research.
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VW Passat B6 and B7: what fails with mileage and what to check when buying
The TSI timing chain, TDI swirl flaps, the DSG mechatronic unit, and oil consumption — four topics that account for most Passat conversations of these generations. What diagnostics can see of each.
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GDI and FSI Carbon Buildup on Intake Valves: OBD-II Diagnosis
How carbon deposits on intake valves from GDI/FSI/TFSI/TSI engines appear in OBD-II: P2187, P0300, fuel trim Live Data, and solutions — Walnut Blasting vs chemical cleaning.
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SEAT and Cupra Common OBD-II Codes: Ibiza, Leon, Cupra Formentor
Top DTC codes for SEAT Ibiza, Leon, Cupra Formentor: EA211 1.0/1.5 TSI misfires, DSG DQ200/DQ381 problems, P0299 turbo, VAG extended diagnostics — OBD-II guide.
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Skoda Octavia and Superb — Common OBD-II Codes: 1.4 TSI, 1.6 TDI, 2.0 TDI
Top DTC codes for Skoda Octavia III/IV, Superb III: EA211 1.4 TSI timing chain, TDI 1.6/2.0 EGR, DSG DQ250 wet clutch, VAG-specific OBD-II diagnostics.
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VW Golf Common OBD-II Issues: Golf 6, Golf 7, GTI, GTE
Top DTC codes for VW Golf VI/VII: P2187 EA888 lean mixture, P0299 TSI turbo underboost, P0420 catalyst, DSG DQ200 shudder — OBD-II diagnostics and fixes.