How do I know if my diesel injection pump is bad?

Here are the 5 most common symptoms of faulty diesel fuel injectors.
  1. Trouble starting the vehicle or uneven idling. The engine cranks but doesn’t start unless you crank it for a long time. …
  2. Misfire. …
  3. Smell of fuel. …
  4. Dirty emissions. …
  5. Increased fuel consumption and poor miles per gallon.

How often does an injector pump need to be replaced?

How often do diesel injection pumps need to be replaced? High pressure fuel pumps on diesel engines have incredibly long service lives. They tend to last between 100,000 and 150,000 miles, and repeat replacements are not typical.

What causes diesel injector pump failure?

Two of the most common causes of diesel fuel pump failure are consistently low gasoline and engine breakdowns. … The primary cause is the pump not giving the engine an adequate supply of fuel, which makes it difficult to accelerate.

How do you test a diesel injector pump?

How long do injector pumps last?

Rotary Pumps are typically from between 200,000 – 400,000 kms. Inline Pumps will likely outlast the engine. A lot depends on the quality of your fuel and you keeping up with your maintenance. . Installing a pull through electric pump is supposed to help increase longevity of the lift pumps in the rotary IPs.

How long does a injection pump last?

Your vehicle’s fuel pump should last at least 100,000 miles or more. If it doesn’t, or if you’ve exceeded that mileage milestone, you may notice any of the following seven signs. If you do, bring your vehicle to Primary Care Auto Repair of Warwick, RI.

How much does it cost to replace injector pump?

The average cost for a fuel pump replacement is between $220 and $1,062 depending on vehicle and age. Labor costs are estimated between $124 and $260, while parts are priced between $95 and $854. Estimates do not include taxes and fees.

What happens when a diesel pump fails?

Symptoms of a failing fuel pump may include: Jerks or sputters at high speeds. Power loss on acceleration. Power loss while driving up a slope.

Can a diesel pump be repaired?

With the high costs of these units, it is economical to know if they are faulty or if there are other underlying issues on your vehicle. Your diesel pumps will be professionally repaired/reconditioned as follows: Disassembled. All parts completely cleaned.

How much does a diesel injector pump cost?

The average for Injector Pump is $322
Repair Type Zip Cost
Injector Pump 63181 $189
Injector Pump 63507 $291
Injector Pump 86839 $485

How much does it cost to replace a diesel pump?

The average price for a Fuel Pump replacement starts around the $350 mark and can go all the way up to $900+ depending on your fuel type and engine performance.

How much does it cost to fix a diesel pump?

The average fuel pump replacement cost is around £200-£400 in the UK. However, the possible price range for fuel pump replacement is among the most extreme of all car repairs.

How much does it cost to replace a CP4 pump?

The “CP4” injection pump, as it’s called by many, is the heart of these diesels, and in the past few years it has garnered a reputation for catastrophic failure, resulting in repair costs north of $8,000.

How does a diesel injection pump work?

An Injection Pump is the device that pumps fuel into the cylinders of a diesel engine. … It rotates at half crankshaft speed in a conventional four-stroke diesel engine. Its timing is such that the fuel is injected only very slightly before top deceased centre of that cylinder’s compression stroke.

How much does it cost to replace a CP4?

Most warranties exclude fuel contamination, and once a CP4 injector pump fails the metal shrapnel it sends throughout the engine and fuel system is considered contamination. Fixing this can cost consumers between $10,000 to $15,000.

How can you tell the difference between CP3 and CP4 pumps?

Basically whe a cp3 quits working it just quits without exploding. It’s typically a slow decline. The cp4 on the other hand doesn’t have a pinned piston and if it rotates slightly it tends to explode and send tiny bits of metal all through your fuel system.

How do I check if my CP4 is failing?

What years did Ford use the CP4 pump?

The CP4 was standard equipment on the 2011-present Ford 6.7L Powerstroke. From 2011-2016 GM also used the CP4 in the LML & LGH Duramax engines, switching to the Denso HP4 in 2017 when the L5P was released.

How long does a CP3 pump last?

The Bosch CP3, used on the ’01-to-’10 Duramax and ’03-to-current Cummins engines, is known to last 250,000 miles or more before needing to be replaced. Of course, performance enthusiasts also know these pumps are only capable of supporting approximately 500 hp.

Do all CP4 pumps fail?

While supplying high-pressure fuel is an injection pump’s job, the CP4 does so with a high probability of failing (typically around the 100,000-mile mark) and leaving owners with a need to overhaul their truck’s entire fuel system, at a cost that can be anywhere between $8,000 and $10,000.

Is there a recall on CP4 pump?

Stellantis (FCA US, LLC) is recalling approximately 222,410 units of its 2019 to 2020 Ram 2500/3500 pickups and Ram 3500/4500/5500 Chassis Cabs equipped with the 6.7-liter Cummins turbo diesel. The recall-affected trucks are equipped with the Bosch CP4 high-pressure fuel pump (HPFP) that could fail prematurely.

How do I know if my CP3 pump is bad?

There may be a surge at idle due to low or no fuel supply pump pressure to the high-pressure pump. Knocking can be heard if the actual versus desired are too far apart which may be a bad FCA or Fuel Control Actuator.