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eBay£34.78Visit shop HT Leads Ignition Cables Set 73871 Intermotor JLM332 Genuine Quality Guaranteed
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This Intermotor 73871 Ignition Leads Cable Set is designed for vehicle owners and mechanics seeking to restore or maintain optimal engine performance by ensuring reliable high-tension voltage delivery to spark plugs. Its key benefit is the direct replacement of faulty ignition leads, which can resolve issues like rough running, misfires, and poor fuel economy. A caveat to consider is the recommended replacement interval, suggesting proactive maintenance.
| Model Part Number | 73871 |
|---|---|
| Brand | Intermotor |
It is generally recommended to check the condition of your ignition leads regularly and consider replacing them every 40,000-60,000 miles, or sooner if signs of wear or damage are apparent.
Symptoms include rough engine running, misfires, reduced acceleration, increased fuel consumption, and potential MOT emissions failures.
Resistive ignition cables contain a resistor within the cable to suppress radio frequency interference (RFI), which can interfere with vehicle electronics and radio reception.
No, it is crucial to use the complete set as intended. Each lead is manufactured to a specific length and resistance for optimal performance and correct routing within your vehicle's engine bay.
SAE (Society of Automotive Engineers) and DIN (Deutsches Institut für Normung) are different industry standards for connectors. This set uses SAE for spark cable fitment and DIN for distributor cap and coil fitment, ensuring compatibility with specific vehicle components.
Look for signs of cracked, perished, or worn insulation. Performance issues like misfires, rough idling, or poor acceleration can also indicate faulty leads.
Double-check that each lead is connected to the correct spark plug and distributor/coil terminal. Ensure connections are fully seated. Verify lead lengths are routed correctly.
Ensure the correct lead is being used for that specific cylinder. Check for any debris in the spark plug socket or on the distributor cap terminals. The connection should be firm but not forced.
Confirm that the ignition coil is functioning correctly and that the leads are securely attached at both ends. Re-verify correct cylinder-to-lead assignment.
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