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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA1993MX-3 V6-1844CC 1.8L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESSTALLS AT IDLE, DECELERATION
1993 Mazda MX-3 V6-1844cc 1.8L DOHC
Stalls at Idle, Deceleration
1993 Mazda MX-3 V6-1844cc 1.8L DOHCSECTION Stalls at Idle, Deceleration
Engine stalls at stops and on deceleration.
POSSIBLE CAUSE ACTION
EGR valve always open,
or gasket leaking See Exhaust Gas Recirculation System
Ignition timing incorrect Check ignition timing.
See Adjustments.
Restricted exhaust system See Three Way Catalytic Converter
Base idle speed too low Check idle speed.
See Adjustments.
Idle speed control valve defective Refer to Computers and
Control Systems
Unmeasured air (vacuum leaks) Inspect air flow meter,
vacuum hoses, intake air ducts
and manifold.
Refer to Fuel Delivery and Air Induction.
Evaporative system malfunction or leak See Evaporative Emission Control System
PCV system clogged, restricted or leaking See Positive Crankcase Ventilation System
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.