P0276 OBD-II Trouble Code: Intermediate Shaft Speed Sensor C Circuit

Our certified mechanics come to you · 12-month, 12,000-mile warranty

SCHEDULE P0276 DIAGNOSTIC Get a fair and transparent estimate upfront
Red-stars EXCELLENT RATING ON

Cost of diagnosing the P0276 code

P0276 is a diagnostic trouble code (DTC) for "Intermediate Shaft Speed Sensor C Circuit". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$70.00$30.00
Toyota$70.00$30.00
BMW$70.00$30.00
SCHEDULE P0276 DIAGNOSTIC Get a fair and transparent estimate upfront

Check Engine Light

P0276 code definition

The P0276 code is defined as the #6 injector circuit having a low voltage.

What the P0276 code means

This code gets stored by the vehicle’s PCM (Powertrain Control Module) when the fuel injector for the #6 cylinder is experiencing low voltage. In other words, it’s unable to work correctly.

The code can also be indicative of other problems – or potential problems – too. That’s because, when a fuel injector isn’t working correctly, it sets off a chain reaction. In fact, the engine’s operating parameters will literally change because of just one fuel injector’s suboptimal performance.

This makes sense. If a fuel injector isn’t supplied with sufficient energy, then its spray pattern is going to decrease. The result of that will be a lean mixture of fuel. Thus begins the ripple effect. In today’s modern cars, the PCM will quickly realize that one of the fuel injectors is underperforming and react by enriching the fuel mixtures for the other cylinders. While it keeps the vehicle working, its fuel economy plunges.

It gets worse, though, because the cylinder with the lean mixture will soon experience higher temperatures in its head. The result of this will be detonation which will be picked up by the knock sensor. This time, the PCM reacts by slowing down the cylinder’s timing. Once again, this measure allows the vehicle to keep working, but now the engine’s power takes a hit.

We could continue, but hopefully the enormity of what this code represents is understood.

What causes the P0276 code?

There are a handful of reasons that could be behind P0276:

  • A dirty fuel injector
  • A plugged fuel injector
  • A faulty fuel injector
  • The fuel injector connector is loose or corroded
  • The fuel injector harness is either open or short

As you can see, all of these common causes have to do with the #6 cylinder’s fuel injector. The only other reason worth considering would be that the PCM is faulty, but this is extremely rare.

What are the symptoms of the P0276 code?

If the P0276 code has been stored, then the Check Engine Light should have come on. The other symptoms were documented earlier. They would include:

  • A lack of power coming from the engine
  • The engine runs rougher
  • Fuel economy plummets

How does a mechanic diagnose the P0276 code?

Fortunately, diagnosing this problem is fairly easy. Once a mechanic uses an OBD-II scanner to confirm the P0276 code was logged, they’ll examine the fuel injector and its harness. If necessary, they’ll follow the chain reaction to inspect the nature of any further damage.

Common mistakes when diagnosing the P0276 code

A big problem that mechanics make far too often is replacing or repairing the faulty fuel injector and then assuming that’s all that needed to be done. The P0276 code will clear, but as we covered at the beginning, a whole chain of problems could have resulted as well. Most of them should have their own OBD trouble codes, but a qualified mechanic will take the time to do other diagnostics just to make sure they didn’t miss anything.

How serious is the P0276 code?

This code should definitely be taken seriously. It’s not going to affect the vehicle to the point that those inside will be endangered, but if left untreated, an underperforming fuel injector will quickly become an expensive problem to repair. That’s not to mention how much it will cost the owner at the pump just to keep it moving.

What repairs can fix the P0276 code?

Fortunately, if caught early enough, common repairs are fairly simple and affordable:

Additional comments for consideration regarding the P0276 code

A technician should always check the other fuel injectors when there’s a problem with one of them. It could be that a bigger problem gets caught in its infancy.

Need help with a P0276 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
Check Engine Light
P0276

Fast and easy Check Engine Light is on Inspection service at your home or office.

SCHEDULE P0276 DIAGNOSTIC
Get a fair and transparent estimate upfront

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.5/5

Number of Reviews

3,696

Rating Summary
3,372
162
42
24
96
3,372
162
42
24
96

John

37 years of experience
48 reviews
John
37 years of experience
John is a AWESOME honest guy that took the time to explain everything to me that he was doing and what recommendation is needed. I will always personally request him by name for any service on my car and friends cars. He delivered on time as promised. Never meet a better mechanic. The cost of service was much cheaper the general mechanic shop.
2000 TOYOTA CAMRY - CHECK ENGINE LIGHT IS ON - ANTIOCH, CALIFORNIA

Mark

38 years of experience
38 reviews
Mark
38 years of experience
Knowledgeable and easy to work with. I would definitely use him again. Great Job!
2007 LEXUS ES350 - CHECK ENGINE LIGHT IS ON - ALPHARETTA, GEORGIA

Robert

30 years of experience
75 reviews
Robert
30 years of experience
Mr. Robert White was early for my appointment. He was very courteous. I will recommend him to family an friends. He diagnosed my problem quickly accurate. THANKS, may GOD continue his Blessings on your business.
2006 HYUNDAI SONATA - CHECK ENGINE LIGHT IS ON - ATLANTA, GEORGIA

Brandon

15 years of experience
241 reviews
Brandon
15 years of experience
Brandon was friendly and got the work I needed done with ease and in no time at all. He explained what he was doing and even showed me where the issue was with my car. I’d definitely use him again.
2008 NISSAN XTERRA - CHECK ENGINE LIGHT IS ON - ALPHARETTA, GEORGIA

More related articles

How to Find the Keyless Code on a Ford Explorer or Mercury Mountaineer
Many Ford Explorers and Mercury Mountaineers were manufactured with an option known as the Ford keyless entry keypad. Some models refer to it as SecuriCode as well. It...
P0121 OBD-II Trouble Code: TPS "A" Circuit Range Performance Problem
P0121 code definition Throttle Pedal Position Sensor/Switch (TPS) A Circuit Range Performance Problem...
How to Get a Louisiana Driver's Permit
s licensing program. The first step in this program is to obtain...

Related questions

Q: I replaced the output shaft sensor. Do I need to reset the code?

Try removing the battery cables and letting the computer sit for about 1 minute and then hook up the cables or if you have a scanner that can erase the codes. This will clear the engine light and codes to...

Q: Every 500 miles, 'check engine' light comes on and oil has to be added

Hello. It is common for this engine to consume oil as it ages. Typically the oil consumption comes from the valve stem seals. The only way to repair it is with rebuilding the cylinder head. I usually will look into...

Q: Engine light and bad gears

When you disconnect the battery, the PCM (powertrain control module) looses it's stored information about your driving habits. Believe it or not, the car learns how you drive, and tries to adapt to your style, so things may not go...

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.

1-800-701-6230 · hi@yourmechanic.com