We recently began experiencing rough operation during the first start-up of the day ("cold" start-up). The first incident occurred on the first cool morning this fall (first frost of the year). After firing, the engine ran fine for about 15-30 seconds then began to run really rough. ...
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It does not miss at full throttle, does not have a rough idle, just when you are gradually accelerating, at any speed, the car has a "slight bucking" feel to it. I currently have no check engine light on. Air filter is new also. It is not a full miss like a carb sputtering, ...
Specifically, the team honed in on the fun-to-drive factor known as the cold start. Starting a diesel engine sounds rough compared to a traditional combustion engine. There were quite a few variables to examine in terms of how to improve the cold start, such as fuel choice, starter and b...
02 avalanche very hard to start on the first start. acts as if no fuel...starts rough and after pressing hard in the gas, will finally lever out and run smooth. I'm guessing a bad cold start sensor, but what do I know. any ideas? jpinela Member Posts: 6 February 2013 I got...
A too rough surface would quickly harm the engine by excessive wear on the piston. 【参考译文】在气缸外侧,发动机缸体内铸有包含冷却液的通道,而在一些重型发动机中,这些通道是可拆卸的气缸套类型,可以进行更换[22]。水冷式发动机在发动机缸体内设有冷却液循环的通道(即水套)。一些小型发动机采用风冷式,气缸...
3. When a cold engine is started, it requires a ___ mixture. Explanation: For starting a cold engine, generallya richer mixture is required. What does AFR mean in cars? Air–fuel ratio(AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process...
The diesel engine also has lower cold-start emissions than the gasoline engine. The emissions challenge for the diesel engine is mainly NOx and soot control. The diesel engine inherently possesses several trade-offs in emissions and performance, namely, the NOx–soot trade-off, the NOx–HC ...
This is a rough beginners guide to the slippy stuff and enables you to make an informed decision when choosing the correct grade and type of oil for your car. When starting a car allow the engine to tick over for 10 seconds before driving it. Don't EVER leave a car idling though!
Intermittent misfires are the worst kind to diagnose because the misfire comes and goes depending on engine load or operating conditions. They may seem to occur for no apparent reason. The engine may only misfire and run rough when cold but then smooth out as it warms up. Or, it may st...