My 2003 altima is hard to start

Asked by Kevinr1273 Jul 14, 2018 at 09:52 PM about the 2003 Nissan Altima 2.5 S

Question type: Maintenance & Repair

After it cools down it won't start can hold ignition
over and it takes bout 5 to 10 mins before it starts

1 Answer
7,375

Brianator answered 5 years ago

Test your coolant temp sensor, the one that talks to the computer, if its stuck and making the computer think that the engine is already warm/hot then the computer wont enrichen the air/ fuel ratio thats required for a cold start

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