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Why is my 2001 Toyota HiAce hard to start on cold mornings?

Asked by Dave

My 2001 Toyota Touring HiAce (Regius) with the 2.7-litre petrol engine is very difficult to start on cold wet mornings. I really have to work the accelerator; she tries to fire up, but just splutters. If I do get her to run, I have to sit and warm the engine for 3 or 4 minutes, because she has no pulling power! Once started, she starts well for the rest of the day. I have changed the plugs, cleaned the carburettor, and airflow sensor. A garage has suggested the fuel pump is not providing enough pressure. Could this be the problem, or is there anything else for me to try?

Answered by CarsGuide

18 May 2018 Graham Smith

If it’s starting ok at other times then it won’t the fuel pump. It’s more likely to be a sensor that’s at fault, the computer isn’t getting the message that it’s cold and it’s not giving any cold enrichment, which the engine needs to start and run while the engine warms up. Have your mechanic check the temperature sensor.

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