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.
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HOMESERVICE MANUALSCADILLAC1985CIMARRON V6-173 2.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSMIXTURE CONTROL SOLENOIDADJUSTMENTS
1985 Cadillac Cimarron V6-173 2.8L
Mixture Control Solenoid: Adjustments
1985 Cadillac Cimarron V6-173 2.8LSECTION Adjustments
Idle mixture on fuel injected models is controlled by the ECM and is not adjustable. The following procedures apply only to carbureted models.
ALL V6-181, 229, 231 & 252 ENGINES WITH ROCHESTER E2MC-ME & E4MC-ME CARBURETORS
The emissions systems used on these engines, provide precise control of air/fuel mixture during all ranges of engine operation. Because of this system control, adjustment procedures must be followed in exact sequence to ensure correct mixture adjustment. Dwell readings from the Mixture Control (MC) solenoid are used for adjustment calibration. If unable to obtain specified readings, refer to ``System Performance Check'' as outlined in the individual system chapters of the Emission Control Section.
RENDER: 1.0x
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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.