rainerklein9

Highlander Hybrid Engine Start Failure

Hi, I'm having trouble with my 2006 Toyota Highlander Hybrid. It has 93959 km and suddenly won't start. Fuel levels are fine, and the battery seems charged. I even tried a jump start. Could this be a fuel injection or ECU issue? Any ideas?

A 2006 Toyota Highlander Hybrid with 93959 km suddenly won't start despite having adequate fuel and a seemingly charged battery. Initial suspicions included potential fuel injection or ECU issues. However, the problem was traced to faulty battery cable connections, which were causing poor electrical contact. A professional diagnosis confirmed this, leading to a repair costing 155€.

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4 comment(s)

I also own a Highlander Hybrid. I had a similar issue where the engine wouldn't crank, and all the warning lights came on. Did you check the battery cable connections? Mine were bad.

Thanks! I visually inspected the battery terminals, and they looked okay. But I didn't test for voltage drop or corrosion underneath. What symptoms did you have? What diagnostic steps did you take before finding the bad connections? Did your engine stall, surge, or have a check engine light before it died?

I had no signs before it just wouldn't start. I also checked the connections, or so I thought. The mechanic found the faulty connections after voltage drop tests. Given your description, I'd suggest a professional check instead of DIY troubleshooting.

Thanks for the help! My initial check was too quick. A technician found bad battery cable connections causing poor electrical contact. The repair was 155€.

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TOYOTA

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HIGHLANDER