What causes too much back pressure in an engine?
Increased pumping work. Reduced intake manifold boost pressure. Cylinder scavenging and combustion effects. Turbocharger problems.
What are the symptoms of exhaust back pressure?
The symptoms of exhaust back pressure include reduced engine power, poor fuel economy, slipping transmission in the case of automatic cars, altered shift points, among others.
What causes turbo back pressure?
Unfortunately, too small a turbine, be it the wheel, housing, or both, can cause too much backpressure, which in turn means exhaust gas struggles to leave the cylinders, huge EGTs, higher cylinder temps, diluted fuel/air mix in the cylinders, and so on, which in turns means hugely more susceptible to engine-killing det …
Do turbos like back pressure?
If you are too lazy to read – Back pressure is not good for turbo (or for anything else). With back pressure, exhaust gases cannot easily flow in the exhaust system. Which means they will spool the turbo with reduced force – resulting in power loss and more turbo lag.
When does oil psi drop on a C-15 ACERT?
When the motor is cold everything is fine, but when the coolant gets above 170 or so the oil psi will drop off 5-10psi when I load the motor. After about 30 seconds into the pull the oil psi will start to rebound back to normal most times. I was thinking main bearings, but this problem isn’t consistent.
What causes a lot of pressure in the lower back?
7 Very Common Causes of Lower Back Pain and Pressure You Should Know About 1 Lumbar Herniated Disc. 2 Spinal Stenosis. 3 Osteoarthritis. 4 Trauma. 5 Compression Fracture. 6 Degenerative Disc Disease. 7 Sciatica.
What do low side and high side compressor pressures mean?
R408A Data, see #13 above. First let’s explain “low-side” and “high-side” air conditioner compressor motor pressures and what they mean. this is the pressure in the air conditioner’s refrigerant suction line (low side pressure during compressor operation) and this will be a relatively low number, often less than 100 psi.
Why is my C-15 engine losing coolant?
While the truck is running down road, it sucks the reservoir dry on the radiator overflow tank and when the … read more Vocational, Technical or Tra… my cat c-15 is losing a lot of coolant from the overflow. FIELD SERVICE TECHNIC… I have a c15 engine that has a little too much blow by (white smog). What could be the problem?