Why do fuel injectors lean out when under boost?
When the engine is under boost and at a higher rpm, it needs all the fuel the injectors can deliver. If the injectors are dirty and can’t keep up with the engine’s demands, the fuel mixture will lean out, causing detonation to occur. The leaning out may cause higher than normal exhaust temperatures and turbo failure.
What causes an injector in a diesel engine to fail?
Poor fuel quality and general wear and tear are not the only cause of injector failure, the newer type of injectors sometimes fail due to design problems. It is estimated that about 85% of injectors fail due to fuel related issues and the balance due to design problems.
How are diesel injectors and pumps remanufactured?
These injectors and pumps are remanufactured to the highest standards in a state-of-the-art remanufacturing centre, using OE components, and offer the chance for those that have previously avoided diesel repair work to realise the huge potential of a previously untapped market.
Why does my Renault DCI struggle to start?
Carry out a leak off test. If your injectors leak back too much fuel they will rob the rail of pressure and the car will struggle to start (if at all). This is a known mode of failure for DI diesel engines, especially ones using a common rail.
Do you have to get the fuel injectors coded at a Renault garage?
Do you have to get the fuel injectors coded at a renault garage. How much would they be for a set. just bought a 1.5 dci scenic which needs new injectors and then to have them coded to the ecu. can someone tell me which software can do this. Click to expand…
Do you need to program new diesel injectors?
My neighbour has just had four new replacement injectors fitted at an independent garage. Apparently the injectors were just changed over and the engine ran OK but the garage stated they don’t need programmed. During similar work in the past I have always had similar injectors programmed in to the ECU.
What was the problem with the Renault diesel engine?
Initially the engine problems began 3 months ago with a sevre diesel knock and after a run-around of numerous gages including Renault dealers he had a recon engine, new fuel rail, prssire sensors, all at a cost of around £2500.
What kind of engine does a Renault Master have?
Available with a 2.3 litre dCi diesel engine, this is an engine that delivers top of the line refinement as well as a powerful performance and excellent fuel economy. Altogether, the Renault Master is a dependable van range that offers an excellent diesel engine and solid build, ideal for any delivery or labour work demands. Engine Code: M9T…