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Search across 192 technical insights, blog posts, brand hubs, buying guides, and reliability pages by symptom, engine, gearbox, brand, or system.

143 results

Showing matches for "3.0 TDI".

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Model YearAudiF3 second generation

2020 Audi Q3 Reliability and Buying Guide

2020 Audi Q3 reliability, EA888 and TDI checks, S tronic, quattro/Haldex service, electronics, and compact SUV buying priorities.

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Model YearBMWF30 late production

2018 BMW 3 Series Reliability and Buying Guide

A model-year view of the late F30 BMW 3 Series, including B47/B48 choices, inspection priorities, and ownership risk.

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Model YearBMWG20 early production

2020 BMW 3 Series Reliability and Buying Guide

Reliability signals, engine choices, electronics checks, and inspection priorities for the 2020 G20 BMW 3 Series.

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Audi 2.0 TDI vs BMW B47: Which Diesel Should You Trust?
BlogAudiBuying Advice

Audi 2.0 TDI vs BMW B47: Which Diesel Should You Trust?

A cross-brand diesel used-buy guide comparing Audi 2.0 TDI and BMW B47 engines through emissions systems, gearbox history, parts support, and inspection evidence.

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Fault CodeCombustion

P0303: Cylinder 3 misfire detected

The ECU detected repeated combustion misfires on cylinder 3.

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VAG DQ250 DSG
PowertrainAudi, VolkswagenGearboxVAG DQ250 DSG

VAG DQ250 DSG

Six-speed wet-clutch dual-clutch gearbox that can be durable when fluid service and mechatronics health are taken seriously.

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Model YearBMWF32/F36 late production

2020 BMW 4 Series Reliability and Buying Guide

A model-year view of the late BMW 4 Series, including B48/B47 choices, ZF gearbox checks, coupe body condition, and ownership risk.

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Model YearVolkswagenGolf Mk7

2017 Volkswagen Golf Reliability and Buying Guide

2017 Golf Mk7 reliability, TSI and TDI choices, DSG history, water-pump checks, and practical used-car inspection advice.

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Model YearAudiB9

2018 Audi A4 Reliability and Buying Guide

2018 Audi A4 B9 reliability, EA888 and TDI checks, S tronic behavior, cooling risks, and pre-purchase priorities.

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Model YearVolkswagenFirst generation

2019 Volkswagen Arteon Reliability and Buying Guide

2019 Volkswagen Arteon reliability, TDI/TSI engines, DSG service, 4Motion/Haldex checks, electronics, and ownership planning.

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Model YearVolkswagenGolf Mk7.5

2019 Volkswagen Golf Reliability and Buying Guide

A buyer-focused view of the 2019 Golf Mk7.5, covering TSI/TDI engines, DSG servicing, cooling, electronics, and inspection.

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Model YearAudiFY pre-facelift

2020 Audi Q5 Reliability and Buying Guide

2020 Audi Q5 reliability, EA888/TDI considerations, S tronic, quattro, cooling, and electronic-system checks.

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Model YearVolkswagenSecond generation

2020 Volkswagen Tiguan Reliability and Buying Guide

2020 Volkswagen Tiguan reliability, TSI/TDI and DSG checks, 4Motion servicing, cooling leaks, and ownership planning.

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Model YearVolkswagenFirst generation

2021 Volkswagen T-Roc Reliability and Buying Guide

2021 Volkswagen T-Roc reliability, TSI/TDI engine checks, DSG behavior, 4Motion service, cooling, and compact crossover inspection advice.

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Model YearBMWG05 early production

2019 BMW X5 Reliability and Buying Guide

2019 BMW X5 G05 ownership risk, air suspension, electronics, B-series engines, xDrive, and pre-purchase inspection priorities.

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Model YearMercedes-BenzW205 facelift

2019 Mercedes-Benz C-Class Reliability and Buying Guide

A focused guide to 2019 W205 C-Class reliability, 9G-Tronic behavior, diesel emissions, electronics, and used-car checks.

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Fault CodeChassis / suspension

C1130: Chassis control or suspension pressure fault

A chassis or suspension control module has detected an implausible pressure, height, or control-state condition.

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Fault CodeOxygen sensing

P0030: Heated oxygen sensor heater control circuit, bank 1 sensor 1

The ECU detects an electrical fault in the heater circuit for the upstream oxygen sensor.

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Fault CodeFuel delivery

P0093: Large fuel-system leak detected

Fuel pressure is dropping at a rate that the ECU interprets as a major leak or excessive internal loss.

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Fault CodeAir metering

P0113: Intake-air temperature sensor circuit high

The ECU sees an intake-air temperature signal that is higher voltage than expected, often interpreted as an unrealistically cold reading.

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Fault CodeOxygen sensing

P0130: Oxygen sensor circuit malfunction, bank 1 sensor 1

The upstream oxygen or lambda sensor signal is implausible, missing, or outside the control range expected by the ECU.

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Fault CodeOxygen sensing

P0135: Oxygen sensor heater circuit, bank 1 sensor 1

The upstream oxygen sensor heater circuit is not operating as expected.

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Fault CodeTurbocharging

P0234: Turbocharger overboost condition

Boost pressure exceeded the ECU's permitted target for the operating condition.

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Fault CodeTurbocharging

P0236: Turbo boost sensor range / performance

The charge-pressure signal is outside the expected range or disagrees with operating conditions.

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Fault CodeCombustion

P0300: Random / multiple-cylinder misfire

Misfires are occurring across more than one cylinder or without one consistent cylinder pattern.

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Fault CodeCombustion

P0301: Cylinder 1 misfire detected

The ECU detected repeated combustion misfires on cylinder 1.

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Fault CodeCombustion

P0302: Cylinder 2 misfire detected

The ECU detected repeated combustion misfires on cylinder 2.

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Fault CodeCombustion

P0304: Cylinder 4 misfire detected

The ECU detected repeated combustion misfires on cylinder 4.

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Fault CodeCombustion

P0305: Cylinder 5 misfire detected

The ECU detects repeated combustion failure specifically on cylinder 5.

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Fault CodeKnock control

P0325: Knock sensor circuit malfunction

The ECU is not receiving a plausible signal from the knock sensor circuit.

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Fault CodeEngine speed sensing

P0335: Crankshaft position sensor circuit

The ECU is missing or cannot trust the crankshaft position signal.

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Fault CodeCamshaft sensing

P0340: Camshaft position sensor circuit, bank 1

The ECU is missing or cannot trust the camshaft position signal on bank 1.

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Fault CodeEGR

P0403: Exhaust-gas recirculation control circuit malfunction

The ECU detects an electrical fault in the EGR valve or its control circuit.

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Fault CodeEngine electronics

P0603: Internal control module keep-alive memory error

The engine controller has lost or detected corruption in memory retained when the ignition is off.

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Fault CodeTransmission

P0730: Incorrect gear ratio

The gearbox input and output speeds do not match the gear ratio the controller expected.

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Model YearAudiGB second generation

2019 Audi A1 Reliability and Buying Guide

2019 Audi A1 reliability, TFSI checks, S tronic behavior, timing evidence, city-car wear, and used buying advice.

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