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 MANUALSMERCURY1998SABLE V6-3.0L DOHC VIN SREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSELECTRONIC IGNITION (EI) SYSTEM
1998 Mercury Sable V6-3.0L DOHC VIN S
Electronic Ignition (EI) System
1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Electronic Ignition (EI) System
DESCRIPTION
The electronic ignition (EI) system consists of the Powertrain Control Module (PCM), a crankshaft position sensor and two 4-tower ignition coils. The crankshaft position sensor sends a crankshaft position signal to the powertrain control module. The PCM then sends the appropriate ignition signal to the ignition coils. The PCM also uses this signal in the transaxle strategy as well as wide open throttle (WOT) shift control, torque converter clutch control and electronic pressure control.
SYMPTOMS
Harsh engagement and shifts, late WOT shift and no torque converter clutch engagement.
DTCs
P0300-P0308, P0340, P1351 through P1364, P0320
The electronic ignition (EI) system consists of the Powertrain Control Module (PCM), a crankshaft position sensor and two 4-tower ignition coils. The crankshaft position sensor sends a crankshaft position signal to the powertrain control module. The PCM then sends the appropriate ignition signal to the ignition coils. The PCM also uses this signal in the transaxle strategy as well as wide open throttle (WOT) shift control, torque converter clutch control and electronic pressure control.
SYMPTOMS
Harsh engagement and shifts, late WOT shift and no torque converter clutch engagement.
DTCs
P0300-P0308, P0340, P1351 through P1364, P0320
RENDER: 1.0x
NO RELATED
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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.