 Hard Start when Cold |
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 Jun 20, 2017 - 6:00 AM
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Enthusiast  Joined Jun 11, '08 From Clifton Park Currently Offline Reputation: 0 (0%)  |
Replaced plugs, wires, cap, rotor. Fresh oil change, shift solenoids (all 3). P0500 code comes on every once in a while...
When I try to start the car after it sits overnight, or for a few days... The car will start, then the rpms will drop down and it will stall---- OR---- The rpms will drop, and it will hover around 300-400 until I give it gas Once I give it some gas when I start it, the car runs fine, drives around fine, will restart fine... I don't get it! Timing belt is old, done at 67k miles and it has 139k on it now. Maybe its out of time or getting week I don't know.... |
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Jun 20, 2017 - 9:30 PM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
7A-FE right? Mine did the same thing when it was cooler outside, suspected a bad engine coolant temp sensor but never confirmed.
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Jun 20, 2017 - 9:51 PM
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 Enthusiast Joined Feb 23, '12 From Warrior, AL Currently Offline Reputation: 0 (0%) |
Have you ever cleaned the IACV? Another thing is you could have injectors leaking down and opening up the throttle lets in more air to burn off the excess fuel.
-------------------- 2001 Miata LS 5-speed
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Jun 21, 2017 - 12:14 PM
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Enthusiast Joined Jun 11, '08 From Clifton Park Currently Offline Reputation: 0 (0%) |
Nah it's the 5sfe. I haven't cleaned the iacv. I'll try that next.
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