What would make my rpms go up and down?
What would make my rpms go up and down?
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate. The idle air control valve is a small valve on the engine’s intake system that reads the air intake as it comes into the motor.
What happens if your Chevy Silverado has low oil pressure?
May 27, 2019 by Jason One of the most serious issues that can happen to your Chevy Silverado ‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent.
What causes a Chevy Silverado to run rough?
If an oxygen sensor goes bad, it can make your Silverado run too lean (or rich). A super lean running engine will often idle rough. Fuel Injectors. The fuel injection systems job is to atomize the fuel into fine mist.
Why are GM engines in so much trouble?
Details of the lawsuit, which was filed this week, say GM sold “hundreds of thousands” of engines containing a Bosch fuel injection pump that pumps metal shavings into the fuel injection system, ruining both the fuel system and the entire engine.
What causes a bad gas gauge on a Chevy truck?
A poor ground or loose connection to a gas gauge is just as likely to cause problems as loose or dirty battery cables assuredly will with your starting system.
What’s the MPG on a 2002 Chevy Silverado?
Based on data from 166 vehicles, 11,481 fuel-ups and 3,108,312 miles of driving, the 2002 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 13.24 with a 0.07 MPG margin of error. Below you can see a distribution of the fuel-ups with 231 outliers (1.97%) removed.
Why is the gas gauge on my Silverado not working?
Fuel gauge is not reading the proper level of Diesel fuel in the tank. The fuel gauge has been erratic for the last 50000 miles. It tells me the fuel level for a short period and then goes to reading empty.
When does a Silverado run out of fuel?
On 4 different occasions my fuel gauge showed I had fuel, and the low fuel sensor never came on, and my truck ran out of fuel. This pass week while driving on I-75 @ 74 MPH my 2007 Silverado Crew Cab 4X4 my truck quit running. Luckily we were at an exit ramp, so we coasted off of the freeway.
What’s the gas mileage on a Chevy Silverado?
I may be naive but I expect when you pay soo much for a product it should work! I own a 2500 HD Duramax Diesel, and it is now approaching 175K miles. The Fuel Gauge is reading only 1/4 full after a fill up and the mileage range is only 110 miles. The Mileage Range begins to read as Low even with the tank still holding over 10 gallons.