Jaguar XJ12 Cold Start Injector Replacement at your home or office.

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Cold Start Injector Replacement Service

How much does a Cold Start Injector Replacement cost?

On average, the cost for a Jaguar XJ12 Cold Start Injector Replacement is $106 with $11 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1981 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$806.55Shop/Dealer Price$1004.44 - $1541.87
1989 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$116.55Shop/Dealer Price$146.99 - $181.94
1986 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$116.55Shop/Dealer Price$146.98 - $181.94
1974 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$116.55Shop/Dealer Price$146.93 - $181.84
1979 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$786.55Shop/Dealer Price$984.52 - $1522.01
1985 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$116.55Shop/Dealer Price$146.98 - $181.94
1990 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$121.55Shop/Dealer Price$151.64 - $186.34
1987 Jaguar XJ12V12-5.3LService typeCold Start Injector ReplacementEstimate$121.55Shop/Dealer Price$152.58 - $187.97
Show example Jaguar XJ12 Cold Start Injector Replacement prices

What is the Cold Start Injector all about?

The cold start injector is also known as the cold start valve. The part is located on the cold air intake, which is found on the intake manifold. It is a fuel injector that is controlled electronically. The cold start injector works only when the engine has a cold start, or when the engine’s temperature is below a certain point. When this happens, a computer tells the injector to inject more fuel into the mixture that goes through the cylinders to the engine. The goal is for the engine to have an easier and faster start even when it is cold.

It is important to note that the temperature is referring to that of the engine, not the outside weather. When the cold start injector isn’t working properly, the engine will sound rough and will have trouble idling unless pressure stays on the pedal to increase the amount of fuel that goes into the manifold. The engine may keep dying every time it is started until it warms up enough.

Keep in mind:

  • The cold start injector also helps moderate engine speeds while improving performance and even fuel economy.
  • Another job of the cold start injector is to help control engine idle speed.
  • The cold start injector wires are separate from other injectors and they are often screwed in.
  • The injector can be tested for proper working order.

How it's done:

  • The Cold Start Injector is verified that it needs to be replaced. The electrical connector is then disconnected.
  • The defective Cold Start Injector is unscrewed from the housing and removed.
  • After the new Cold Start Injector is installed and secured into the housing, the fuel line is connected.
  • The electrical connection is then connected and the Cold Start Injector is tested for operation.
  • The vehicle is road tested to ensure proper operation of the Cold Start Injector and checked for leaks.

Our recommendation:

If the engine sounds unusual when idling or if it has trouble starting when it is cold, you should have one of our expert mechanics inspect the cold start injector. The technician can test it with a diagnostic meter to determine the issue.

What common symptoms indicate you may need to replace the Cold Start Injector?

  • Engine won’t start or stalls
  • Engine runs poorly
  • Engine stops when you take your foot off the pedal

How important is this service?

The engine may not start when the cold start injector stops working, so it is important to have it tested before you are stranded.

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Excellent Rating

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842
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Alfredo

21 years of experience
123 reviews
Alfredo
21 years of experience
Jaguar XJ12 V12-6.0L - Car is not starting - Orlando, Florida
Alfredo is great.

Kerry

31 years of experience
27 reviews
Kerry
31 years of experience
Jaguar XJ12 V12-6.0L - Car is not starting - Snellville, Georgia
He was on time and very knowledgeable of my car. Very friendly. Would use him again. Thanks so much, car is running fine.

Rodric

14 years of experience
417 reviews
Rodric
14 years of experience
Jaguar XJ V8-5.0L - Power Steering Fluid Service - Riverdale, Georgia
great job stay

Alfred

13 years of experience
512 reviews
Alfred
13 years of experience
Jaguar XF V8-5.0L - Oil Change - Daly City, California
Alfred knows what he's doing and did an excellent job on my car. He is the BEST! I would definitely choose him again in the future.

Excellent Rating

(913)

Rating Summary
842
33
9
4
25
842
33
9
4
25
Number of Jaguar services completed
10043+
services done by our mechanics
TOTAL NUMBER OF EXPERT Jaguar MECHANICS
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experts on our platform

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