Most Common Car Issues

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Engine Brake (hp) From

Engine Configuration

Engine Manufacturer

Engine Model

Engine Number of Cylinders

Make

Model Year

Other Engine Info

MOST COMMON PROBLEMS

AUDI Q7 2020

The 2020 Audi Q7 quattro Progressiv is a versatile 7-seater MPV designed for the Canadian market. It features a robust 3.0L V6 engine with 335 hp, AWD, and an 8-speed automatic transmission. Safety is paramount with standard features like Dynamic Brake Support, Lane Departure Warning, and Forward Collision Warning. Luxurious and tech-savvy, it includes LED headlamps, a backup camera, and keyless ignition.

Spec:

Dynamic Brake Support (DBS)

Standard

Engine Brake (hp) From

335

Engine Configuration

V-Shaped

Engine Manufacturer

Audi

Engine Model

55 TFSI

Engine Number of Cylinders

Other Engine Info

Emissions Certification Test Group: LVGAT03.0N7M; Federal/California Emissions Standard: Int Tier 3 BIN 70 LEV3 ULEV70

Problems:

Oil consumption

V-shaped engines, like the one in the 2020 Audi Q7, are known to sometimes have issues with higher oil consumption, especially as they age.

Carbon build-up

Direct injection engines, like the Audi 55 TFSI, can suffer from carbon build-up on intake valves, which can lead to reduced performance over time.

Timing chain issues

Some Audi V6 engines have had issues with timing chain tensioners, which can cause rattling noises and in severe cases, engine damage if not addressed.

Turbocharger problems

Turbocharged engines, such as the one in the Audi Q7, can experience issues with the turbocharger, including failure of the turbocharger itself or problems with the associated plumbing.

Emissions system faults

The complex emissions systems required to meet standards such as the Federal/California Emissions Standard can sometimes develop faults, leading to warning lights and potential reductions in performance.

Electrical issues

Modern vehicles like the 2020 Audi Q7, which are equipped with numerous electronic systems, can suffer from electrical issues that affect engine performance, including problems with sensors and wiring.

AUDI Q7 2017

The 2017 Audi Q7 quattro Prestige is a versatile, left-hand drive multipurpose passenger vehicle with a powerful 3.0L, 333 hp engine. It seats seven across three rows and includes features like Dynamic Brake Support, Blind Spot Warning, and a backup camera as standard. Optional features enhance safety and convenience, including Adaptive Cruise Control, Lane Departure Warning, and Forward Collision Warning. With a top speed of 130 mph and a base price of $65,000, it offers a balance of performance and luxury.

Spec:

Dynamic Brake Support (DBS)

Standard

Engine Brake (hp) From

333

Engine Manufacturer

Audi

Engine Number of Cylinders

Other Engine Info

Emissions Certification Test Group: HVGAT03.0AUT Federal/California Emissions Standard: Tier 2 Bin 5 / ULEV II

Problems:

Dynamic brake support (dbs) malfunction

DBS may fail to activate or provide insufficient braking assistance during emergency stops.

Engine power loss

The engine may experience reduced power output, potentially due to issues with turbochargers, fuel injectors, or ignition coils.

Engine misfires

Commonly caused by faulty spark plugs, ignition coils, or fuel injectors.

Excessive oil consumption

The engine may consume more oil than usual, possibly due to worn piston rings or valve seals.

Timing chain issues

Timing chain tensioners may wear out, leading to timing chain rattle or even engine damage.

Turbocharger failure

Turbochargers may fail due to oil starvation, contamination, or excessive heat, leading to reduced engine performance.

Carbon buildup

Carbon deposits may form on intake valves, causing rough idling, reduced performance, and increased fuel consumption.

Emission system faults

Issues with EGR valves, catalytic converters, or oxygen sensors can lead to increased emissions and potential failure of emission tests.

Cooling system problems

Possible leaks or failures in the radiator, water pump, or thermostat leading to engine overheating.

Electrical issues

Faulty sensors, wiring, or control modules can cause various engine performance problems and warning lights.