What happens if the fuel mixture is too rich?
When a car is running rich, it means the engine is receiving too much fuel and too little air. Your car will still crank and drive if it’s running rich, but you’ll likely experience symptoms like low gas mileage, slow acceleration and strong smell of gasoline (especially when idling).
What causes an engine to run rich?
However, what makes most cars run is either fuel or gasoline. For this to happen, your car needs to balance the ratio of fuel and air during combustion. When it fails, and there is too much fuel getting in the engine for combustion, we say your car is running rich. It means you are spending lots of fuel while driving.
Why does my Volvo have so many runability problems?
[Courtesy of MVP, Volvo performance parts suppliers] Many driveability and running problems can be traced to improper base engine settings. Setting your base idle specifications is always the first step when trouble shooting any runability problem. By following the steps below the source of most problems can be identified
What are the problems with a Volvo E PROM?
Fuel Intake Carbon Removal Engine Dies After Starting, Won’t Idle; Needs Intake Cleaning Poor Idle: Injectors Need Cleaning Poor Cold Idle: ECU E-Prom Needs Update Idle Speed Control Problems Start or Stall Problems:
What makes a Volvo Car have poor acceleration?
Turbo has Poor Acceleration; Diagnostics Turbo has Poor Idle, Poor Idle Speed Control: Leaking Intake Manifold Gasket Turbo Suffers Severe Misfire: Leaking Intake System Engine Cuts Out; Rich Running: Turbo Electrical Harness Degradation Turbo Stalls at Low RPM: Failed CBV Valve Diaphragm 760T Misfires; FI Resistor Pack Defective
What are the symptoms of a Volvo B6304 engine?
Symptoms for B6304 engines used in the Volvo 960/90 series cars with Bosch Motronic are covered in a separate 960 file. Diesel symptoms are covered in the diesel file. Some notes relate to carburetted cars: they are identified as such. General Symptoms and B2XX Series Engines: Don’t Panic: Diagnose First Before Concluding the Worst! Idle Problems: