Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Coasting Richer System
The coasting richer system is used on 1975 models and 1976-77 Federal 1600cc, manual transmission equipped models. System consist of accelerator pedal switch, vehicle speed switch, and carburetor modifications. During coasting or deceleration, throttle valve in carburetor is closed, creating a leaner air/fuel mixture. To prevent misfire and high combustion temperatures, the coasting richer system injects fuel through coasting richer jet, reducing oxides of nitrogen (NOx) and hydrocarbon (HC) emissions.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.