General Motors’ EcoTec3 family of engines is a familiar sight under the hoods of many GMC and Chevrolet pickup trucks and SUVs. The normal operating pressure range is lower, typically in the 290 psi to 2,176 psi range depending on what the PCM is requesting to meet actual vehicle operating conditions. The cam needs to be set so that the pump is not in stroke (on the base circle, off the lobe) before installation. Fuel burning in the engine produces a tremendous amount of heat that needs to be regulated with a functional cooling system. While the Vortec hasn’t been completely phased out, the EcoTec engine line was developed to offer a more fuel efficient and environmentally friendly engine compared to the previous engine versions. There is a factory tool available to verify this position but I use a dial indicator and slowly rotate the engine to locate the off-lobe position. 16-valve 1.9 CDTI modification with 120 and 150 hp.
Any time any of the high-pressure feed lines are removed or loosened, they need to be replaced. In general, the 1.9-liter turbodiesel with Common Rail is constant and inconvenient. Direct Fuel Injection means that the fuel is injected directly into … Autoweek may earn money from the links on this page. Again, similar to dealing with the high-pressure fuel pump and its components these injectors have enough fuel pressure and voltage to do serious harm, so be sure to follow all the proper safety and service precautions when working on or near them. Watch NHRA's DeJoria Escape Huge Fireball in Texas. Sad to Say That the Rumor About the GT350 Is True, Petty Not 100% Sold on NASCAR Getting Dirty Again, This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses. Users should make sure that they are using the correct type of coolant with their system and that the vehicle does not run out of coolant, especially after extended drives. Hi engine lovers, this time I will discuss the engine from Opel 1.9 CDTI. Rough idling, poor acceleration, loss of power, Check engine light with engine misfire codes, Air-to-fuel ratios are either running rich or lean, Truck is stuck in 4×4, or won’t go into 4×4, Noisy shifting gears, or difficult to shift gears, 4WD light flashes on and off intermittently, Engine malfunction light appears or service engine light.
The 1.9 liter Italian turbodiesel is the first common rail passenger car. The Ecotec engine typically has problems with its timing chain, which frequently slips and wears down after long periods of use. Surprisingly, especially based on my own personal experience I was expecting to uncover a large number of work orders pertaining major engine issues however that was not the case. The PCM controls the high-pressure fuel pump’s electronic pressure control solenoid to maintain the proper fuel pressure available at the injectors and this provides the volume of fuel needed to meet the current operating conditions.
Dedicated to making your Chevy Truck bad***, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). It’s hard to find a major fault and lead to massive overhaul. The “Italians” have the same thing, but the writing 8v or 16v is on the decorative noise-canceling cover. Compression ratios increased, intake and exhaust valves swapped locations in the cylinder head, spark plug angles changed to provide better electrode placement in the combustion chamber, a special lubrication system was designed and the engines’ fuel delivery system changed. It is capable of a producing a maximum 3,118 psi before the mechanical internal relief valve opens. It is available in three versions: 4.3 V6, 5.3 V8 and a 6.2 V8. In general, the Italian 1.9 liter turbodiesel engine (1.9 JTD) was the first passenger car of its kind with the Common Rail system. The FPCM can store DTCs and it will instruct the PCM to turn on the MIL due to issues that are under its control. Save my name, email, and website in this browser for the next time I comment. Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. The tensor in the engine also suffers from damage sometimes, and the cylinders may not fire as they are supposed to, resulting in decreased engine efficiency. Active fuel management – is it still a problem? All Rights Reserved. Applying penetration oil at the sealing surface and carbon remover solution inside that cylinder via the spark plug hole is a recommended procedure. Hi engine lovers, this time I will discuss the engine from Opel 1.9 CDTI. The pump flange wasn’t designed to pull the pump down over spring pressure and may bend. By. The engine also helps the pickups achieve a best-in-class payload rating of 2,108 pounds. NOTE: If the high-pressure fuel pump has to be removed, the retaining bolts have to be replaced when reinstalling the pump as the bolts are torque to yield. Safety procedures and depressurization steps have to be followed and the use of 65V requires careful attention to detail before any back-probing of circuits is performed during testing.
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