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 MANUALSBUICK1982REGAL SPORT, TRANS MFR CD 350C/MX5REPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYROCHESTER E4MC & E4ME 4-BARRELTESTINGELECTRIC CHOKE
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5
Electric Choke
1982 Buick Regal Sport, Trans Mfr CD 350C/MX5SECTION Electric Choke
NOTE:
This test should be performed when air temperature is 60-80°F (15-27°C).
- Allow choke to cool to permit full closing of choke blade when throttle is opened slightly. Start engine and time the interval required for choke blade to reach full open position. (Start timing when engine starts). If choke blade does not fully open within 3 1/2 minutes, proceed with test.
- With engine running, check voltage at choke heater connection. If voltage is about 12-15 volts, replace electric choke unit. If voltage is low or zero, check all wires and connections and repair as required. Power for choke unit is through the oil pressure switch. Ensure switch circuitry is good.
- If procedure in step 2) does not correct the problem, replace oil pressure switch.
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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.