Is it dangerous to keep driving with this wiring faulty?

Not immediately dangerous, but continuing to drive with a persistent misfire can send unburnt fuel into the catalytic converter, causing expensive damage — repair promptly.

Can this wiring be repaired instead of replaced?

A specialist auto electrician can often repair a localised connector or wire fault without replacing the entire harness.

What is the wiring made of?

Copper conductors in heat-resistant insulation, given the proximity to the engine.

What is this part and what does it do?

Full description available in the product description section above. Contact us with clarifying questions.

How do I tell if my part is faulty?

See the 'Signs of a faulty part' section above or run a diagnostic at an auto service.

Yes - all our used parts are tested before sale and sold with guaranteed quality.

When should the part be replaced?

When warning signals appear, diagnostic codes are present, or the system malfunctions.

Fuel injector wires LEXUS IS250 2007

Name: Fuel injector wires LEXUS IS250 2007
Brand: LEXUS
SKU: 1166311194
Price: 22.50 EUR
Availability: InStock

OEM: 1166311194

Disassembled car photo

Engine running

Tested before shipping
Guaranteed quality
Fast delivery 3–7 days
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What is this part and why does it matter?

This wiring carries the precise electrical signals from the ECU to each fuel injector, controlling exact injection timing and duration.

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Not sure about compatibility? Send us your car's VIN and we'll confirm.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

Rough idle or misfire on a specific cylinder
Poor fuel economy
Check Engine light with an injector-related fault code

Installation information

Routes from the ECU to each injector location — check for secure, correctly seated connectors after installation.

Donor vehicle description

VIN: JTHBK262602058706
Make, model: LEXUS IS250
Year: 2007
Engine: Benzīns 2.5L 150KW 4GRFSE 2500CC
Transmission: Automatiska
Drive: Aizmugurēja
: Stūre kreisajā pusē
Colour: 074

396 parts from this car

Frequently asked questions

Both a bad wiring connection and a failed injector can produce the same symptom (a misfire on a specific cylinder), so a mechanic will typically test the wiring’s continuity and connection before condemning the injector itself.

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September 2026
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August 2026
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August 2026
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Toyota Avensis
August 2026
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June 2026
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May 2026
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November 2025
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