Jaguar XJ12 Electronic Control Relay Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(899)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(899)

Electronic Control Relay Replacement Service

How much does a Electronic Control Relay Replacement cost?

On average, the cost for a Jaguar XJ12 Electronic Control Relay Replacement is $141 with $46 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1984 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$207.35Shop/Dealer Price$255.44 - $343.47
1979 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$235.49 - $323.54
1988 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$235.48 - $323.54
1976 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$235.43 - $323.44
1990 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$235.52 - $323.61
1995 Jaguar XJ12V12-6.0LService typeElectronic Control Relay ReplacementEstimate$187.35Shop/Dealer Price$235.48 - $323.54
1996 Jaguar XJ12V12-6.0LService typeElectronic Control Relay ReplacementEstimate$192.35Shop/Dealer Price$240.14 - $327.94
1981 Jaguar XJ12V12-5.3LService typeElectronic Control Relay ReplacementEstimate$192.35Shop/Dealer Price$241.08 - $329.57
Show example Jaguar XJ12 Electronic Control Relay Replacement prices

What is the Electronic Control Relay all about?

A wide range of electronic systems must work properly in order for the vehicle to operate. That means there is a need for several different controllers to ensure proper operation. One of the most important is the electronic control relay. You might be more familiar with the term “main relay” because of its role in vehicle performance.

The electronic control relay operates the fuel pump and sends power to the engine’s injectors. Without the main relay, fuel will not flow from the tank to the engine, and your injectors will not atomize gasoline into the combustion chamber. In short, your car wouldn’t run. Electronic control relays are subject to failure from a number of different problems, including outright failure, heat damage, cracked solder and more.

Keep in mind:

  • The electronic control relay may not operate, or may operate intermittently depending on the source of the trouble.
  • A number of other problems can masquerade as a main relay failure, so it’s vital that you have one of our expert mechanics diagnose the issue.

How it's done:

  • The electronic control relay is located and accessed then verified it needs replaced
  • The defective relay is removed from the vehicle
  • The new electronic relay is installed
  • The components that the electronic relay operates are checked for proper operation
  • The vehicle is road tested for proper operation

Our recommendation:

Traditional turnkey ignition the relay will click three times during the starting process. If you listen closely, you should hear a single click when you turn the ignition to “on”. You should hear another when the Check Engine light turns off. Finally, there should be a third click when you turn the key to the “start” position. If you do not hear a click at any of these three points, there may be a problem with the electronic control relay. Have one of our expert mechanics diagnose and replace the relay if required.

What common symptoms indicate you may need to replace the Electronic Control Relay?

  • Engine doesn’t start, especially in cold weather
  • Engine may not start a few minutes after turning it off
  • No sound from the fuel pump when the ignition key is turned to “On”

How important is this service?

Given the fact that the electronic control relay powers the fuel pump and your fuel injectors, it is essential to replace a faulty one. However, many other problems can present similar symptoms, so it’s very important to have the issue diagnosed by one of our expert mechanics.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Jaguar mechanics

Real customer reviews from Jaguar owners like you.

Excellent Rating

(899)

Rating Summary
829
32
9
4
25
829
32
9
4
25

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.

James

8 years of experience
128 reviews
James
8 years of experience
Jaguar XF V8-4.2L - Battery is dead - Fayetteville, Georgia
Great

Andrew

15 years of experience
521 reviews
Andrew
15 years of experience
Jaguar X-Type V6-3.0L - Transmission Fluid Service - Vancouver, Washington
He was early and got right to work. He was prepared and knowledgeable. I look forward to working with andrew again.

Excellent Rating

(899)

Rating Summary
829
32
9
4
25
829
32
9
4
25
Number of Jaguar services completed
9889+
services done by our mechanics
TOTAL NUMBER OF EXPERT Jaguar MECHANICS
400+
experts on our platform

Recent articles & questions

How Long Does a Supercharger Belt Last?
Both Both superchargers and turbochargers are used on today’s vehicles to provide extra power and performance. While they do essentially the same thing (injecting additional air into the intake), they work in different ways. Turbochargers work based on exhaust, which...
Understanding the Kia Maintenance Reminder and Service Indicator Lights
Car symbols, or dashboard lights, are a car service reminder. The Kia Service Required light indicates when your car needs service.
How to Replace an EVP Position Sensor
The EGR valve is monitored by a valve position sensor. This sensor helps your car's EGR system to run more efficiently and better control emissions.

car wont start after freezing weather. have been putting water in radiator and now radiator wont hold anymore.

Hi there. Unfortunately, water is the enemy of a radiator and the coolant system; especially in freezing or below zero weather. Water will freeze inside the radiator, in coolant lines and inside the motor in most cases. As it does,...

Have a jeep liberty 3.7 and it overheats and runs rough at idle and sometimes hard to start.Also throwing misfire codes 1 and 5

Hello, thank you for writing in. There is a chance that the misfiring is being caused by the coolant leak/overheating issue. The first thing you want to do is find the source of the coolant leak, and take corrective action....

I have a 93 chevy astro and im not getting spark to from my ignition coil

There is a problem on the primary side of the ignition circuit. If your distributor was not replaced and contains a Hall effect pick-up assembly that can be tested using a self powered “indicator light” that is made for this...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (844) 997-3624 · hi@yourmechanic.com