Sentences with phrase «injectors leak»

Explanation I eventually came across was that injectors leak while engine is off because fuel lines are still pressurized.

I'd suggest doing a injector leak down test and swapping the two upstream sensors to see if the negative trim follows the sensors.

This could be a case of an injector leaking into a cylinder, causing a flooded effect.

The injector leak down response has slight credibility based on some reading I've done, though I've never seen injector leakdown keep a Honda from starting.

Not exact matches

I am not familiar with the Peugot 2.0 HDi engine, but it sounds more like a turbo or vacuum leak than an injector issue.

If it seems low, try replacing the fuel filter and inspect the fuel injectors to make sure they aren't leaking or clogged.

Over time, the vibrations could lead to cracks forming in the injector line, which could lead to a fuel leak.

If fuel leaks out of the injector line and the surrounding area is hot enough, the fuel could ignite and cause an engine bay fire.

The third thing it might be is a stuck / leaking injector.

The first thing to do in this sort of event is to do a leak - off test on the injectors.

O2 sensors, exhaust leak, baro / map reading, wiring, pcm, fuel quality, fuel pressure, fuel injectors just to name a few of the other possibilities.

Now listen and watch, look for air bubbles, listen for air, in some cases the leak will be between the injector manifold and the injector, injector o - rings, or the injector manifold valves.

This covers several possibilities like leaky fuel injectors, fuel leaks in the fuel lines, faulty fuel pump check valve or faulty fuel pump accumulator.

Recently was diagnosed with some oil leak on the rocker gasket near the injector area.

I suspect I have an EFI common rail injector that fails to hold pressure and slowly leaks petrol into the manifold when the engine is shut down (and possibly while running).

There are no coolant leaks or fuel leaks around the injectors (new o - rings were used).

However, I noticed the oil level increased (before I figure out the injector) and became very thin, I think it was mixed with fuel that leaked from the injector.

My Nissan Sylphy with a 2L Neo Direction Injection engine was running rich due to 2 faulty injectors (leaking) and I replaced all 4 injectors three months ago.

Try removal of the seat, looking at the fuel system with the key on to see if you see leaks / fuel pooling there as that might also occur - keep in mind the fuel is pressurized for the injectors.

I had no idea what OBD1.5 was until I bought my 95 Explorer Conversion Van but I guess I lucked out because it has saved me countless hours of diagnostic time tracking down weird problems like a leaking injector hose (inside the bread loaf upper intake manifold).

Some Examples: Air filter clogged Exhaust leak plugged cat clogged fuel injector malfunctioning fuel pressure regulator clogged fuel filter malfunctioning fuel pump spark plugs, wires, cap, rotor, coil Vacuum leak dirty throttle body malfunctioning fast idle thermo valve (similar to vacuum leak) low oil (unless there is an oil level sensor) belts gaskets seals rings low compression bearing damage (rod knock) Broken cam rocker fell / broke off broken valve spring stuck valve critical engine damage (windowed the block) wiring, fuses, relays starting system - ignition switch, starter, relay Cooling system - clogs, leaks, flow (may throw a code if you overheat) transmission clutch (es) driveshaft, differential, axles brakes suspension tires hvac lights gauges

All that being said, a warm engine not starting, it could be your fuel injectors are leaking and flooding the engine.

strut rusted apart - destroyed tire (replaced tire and strut), rear brake lines were gone, strut links, ball joint, IAC valve, catalytic converter leaks, subframe bushings, starter, MAP sensor, lights are worst design EVER - broken because of dainty connectors, cassette player doesn't work, window wiper arm screwy, gas gauge doesn't work, fuel injector rings, spark plug tube rings, rack and pinion bushings (worst design)

Also one of my injectors is leaking - there is no diesel around it but i can hear it... I am reluctant to fix it because we did this twice this year, it costed a small fortune and the problem is still there.

So I'm guessing I've got a bit of a leak from these two injectors, and as it happens these correspond to the spark plugs which had carbon fouling.

A rough idle (https://www.yourmechanic.com/services/car-idle-is-rough-inspection) may be caused by things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty...

Stalling at idle could be due to a faulty mass airflow sensor, faulty camshaft or crankshaft position sensors, worn spark plugs, wires or defective ignition coil (s), inadequate fuel delivery or pressure (clogged fuel filter, injectors, faulty fuel pump or pump circuit), contaminated or old gasoline, defective throttle position sensor, faulty idle air control valve, leaks in the EGR system, intake vacuum leaks, and so forth.

There are many causes of hard starting but illustrative ones are a faulty engine coolant temperature switch (sensor), malfunctioning idle air control (IAC) valve, vacuum and EGR leaks, inadequate fuel delivery or pressure (clogged fuel filter, dirty fuel injectors), and contaminated or old gasoline.

There are several possible sources that trigger these two codes including a faulty fuel pressure regulator, weak fuel pump, clogged fuel filter, faulty powertrain control module, vacuum leak, faulty injector (s), faulty oxygen sensor (s) and a faulty mass air...

Some common causes of too much fuel being delivered in a situation like that you describe are: a faulty coolant temperature sensor (the temperature signal is a part determinant of injector pulse width); leaking fuel injector (s) allowing too much fuel...

Fuel related misfires can be caused by many different things such as low fuel pressure, faulty or dirty fuel injectors, a faulty O2 sensor, a dirty or failing mass air - flow sensor, a faulty or dirty idle air control valve or a vacuum or intake leak.

Leaks from fuel injectors are typically at the o - ring connection on the fuel rail.

The potential causes of Diagnostic Trouble Code P0420 include a damaged muffler or leaks in the muffler, damaged exhaust manifold or leaks in the exhaust manifold, damaged exhaust pipe or exhaust pipe leaks, misfiring in the engine, oil contamination in catalytic converter, a faulty catalytic converter, a faulty engine coolant temperature sensor, faulty front oxygen sensor, faulty rear oxygen sensor, damaged oxygen sensor wiring, oxygen sensor wiring that is not properly connected, damaged oxygen sensor connectors, a fuel injector that is leaking, fuel pressure that is high, and other causes.

Hello, It sounds like you may have a faulty fuel injector at cylinder # 1, a faulty crank sensor or potentially a vacuum leak.

Rough idle and excessive shaking of the engine could be due to a bad tank of gasoline, dirty fuel injectors, incorrect idle speed, exhaust restrictions, vacuum leaks, incorrectly installed or damaged spark plugs, a defective or clogged fuel pump or fuel filter, failing electrical components such as the ignition control module, plug wires, coils, and spark plugs, a defective airflow sensor, dirty oxygen sensors and other causes.

With the car running and while applying the brake, checks for vacuum leaks in the vacuum lines, hoses, air inlet tubes, and fuel injector

The fuel system flooding can only mean two things: The fuel injectors may be leaking or held open.

The poor operation that you are describing could be due to a bad tank of gasoline, dirty fuel injectors, incorrect idle speed, exhaust restrictions, vacuum leaks, incorrectly installed or damaged spark plugs, a defective or clogged fuel pump or fuel...

This relates to a lean fuel condition which can be caused by many different things such as: Intake air leaks Faulty front heated oxygen sensor Ignition misfiring Faulty fuel injectors Exhaust gas leaks Incorrect fuel pressure Lack of fuel...

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The lack of response to the accelerator pedal has quite a few potential causes that would have to be sorted out in a diagnostic including, just as a few examples, plugged fuel injectors, faulty oxygen sensors, fuel pump and / or filter, vacuum leaks including that caused by a faulty EGR system, ignition system malfunctions, bad valve timing if the timing belt or chain is worn or skipped, blocked exhaust (e.g., catalytic converter fails or becomes clogged), a faulty airflow sensor or throttle position sensor, and so forth.

Leaking fuel injectors could cause this problem, high fuel pressure, or a faulty coolant temperature sensor signal...

Loss of power on acceleration can be due to plugged fuel injectors, faulty oxygen sensors, fuel pump and / or filter, vacuum leaks including that caused by a faulty EGR system, ignition system malfunctions, bad valve timing if the timing belt or...

Rough idle can be caused by dirty fuel injectors, incorrect idle speed, exhaust restrictions, vacuum leaks, incorrectly installed or damaged spark plugs, a defective or clogged fuel pump or fuel filter, failing electrical components such as the ignition control module,...

«CHRYSLERThe automaker is recalling 84,600 1993 LH sedans with 3.3 - liter engines because fuel injector rail seals may leak.

Examples of vacuum leaks include: leaking intake manifold gasket, broken PCV valve or PCV hose, disconnected vacuum line, cracked vacuum line, ripped intake snorkel - faulty fuel injector - damaged engine computer (PCM)- low fuel pressure - leaking head gasket - low compression in the affected cylinder - valves that are out of adjustment - bad mass airflow sensor (random misfire).

Other common problems include varietuy of coolant and oil leaks, Check Engine light, failing ignition coils and injectors.