Mercedes-Benz E420 Engine is backfiring Inspection at your home or office.

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Engine is backfiring Inspection Service

How much does a Engine is backfiring Inspection cost?

On average, the cost for a Mercedes-Benz E420 Engine is backfiring Inspection is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1997 Mercedes-Benz E420V8-4.2LService typeEngine is backfiring InspectionEstimate$114.99Shop/Dealer Price$132.49 - $145.62
1994 Mercedes-Benz E420V8-4.2LService typeEngine is backfiring InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
1995 Mercedes-Benz E420V8-4.2LService typeEngine is backfiring InspectionEstimate$94.99Shop/Dealer Price$112.52 - $125.67
Show example Mercedes-Benz E420 Engine is backfiring Inspection prices

Engine backfires are one of the most obvious symptoms of car trouble, and they are annoying and potentially damaging to the car’s exhaust and catalytic mechanisms.

Backfires occur for various reasons, and may be accompanied by a Check Engine light.

Common reasons for this to happen:

  • When moisture or resistance in the car’s electronic ignition system allows a crossover generation of current to the wrong cylinder.

  • A lean mixture caused by either an engine vacuum leak or low fuel-pump pressure.

  • A faulty air injection check valve (part of the car’s emission control system) allows too much air into the car’s exhaust system.

  • A failed air intake boot can cause a backfire by altering the feedback voltage to the PCM.

  • Faulty ignition components or spark plugs may also cause backfires if the ignition timing drifts off or the plugs fire intermittently.

  • An exhaust leak such as broken welds or other small holes can take in cool air during deceleration and cause a popping or backfiring in the exhaust system.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the source and cause of the engine backfiring, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How important is this service?

Backfires generate sudden high-pressure events in the exhaust system, and can do serious damage if left unchecked. Have the car inspected by a professional mechanic as soon as possible.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

(24)

Rating Summary
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Nicholas

11 years of experience
592 reviews
Nicholas
11 years of experience
Mercedes-Benz E420 V8-4.2L - Thermostat Housing - Raleigh, North Carolina
Great.

Bill

21 years of experience
23 reviews
Bill
21 years of experience
Mercedes-Benz E420 V8-4.2L - Oil Change - Aliso Viejo, California
Knowledgeable, honest, and professional!

Chris

11 years of experience
82 reviews
Chris
11 years of experience
Mercedes-Benz E420 V8-4.2L - Window Regulator Replacement (Driver Side Front) - Keyport, New Jersey
Very good service at a fraction of the price other places were charging. Will definitely be using again in the future and recommending to others.

Kahlin

17 years of experience
41 reviews
Kahlin
17 years of experience
Mercedes-Benz E420 V8-4.2L - Car is not starting - Chula Vista, California
Kahlin is a real cool guy, great attitude, arrive on time, and did his best, sadly he wasn't able to give me a diagnosis so it was a waste of everybody's time.

Excellent Rating

(24)

Rating Summary
18
2
1
0
3
18
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1
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3
Number of Mercedes-Benz E420 services completed
264+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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