Need help to resolve Cold Start Problem

Asked by Oct 29, 2014 at 01:03 PM about the 2007 Lexus RX 350 AWD

Question type: Maintenance & Repair

My Lexus Rx350 (2007) having problem starting the car when the engine is cold or switch
off more than 1-2 hours. I need to crank the car at least 2-3 times to get the engine run.
Once the engine run, i have no problem restarting the car with a single crack.
Regards Henry

2 Answers


I would look into getting an engine block heater, as in cold-weather applications. Also, are you using the manufacturer's recommended oil and viscosity? How many miles are on it? Time for a tune-up? RX350's are exceptionally reliable. This sounds like a routine maintenance issue.

I think my car problem may not cause by cold weather as I am from Malaysia with 25-28c at night and 30-36c at daytime. Car with 200,000KM (123,000miles) on it. Just perform routine service with 5-40W engine oil, oil filter and gearbox oil replace. Workshop suspected fuel line valve malfunction and causes drop in pressure after a long stop. Kindly advise. Thank You.

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