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Old 02-03-2018, 10:57 AM   #1
Frankenvan
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Default Rough idle and whistle at startup

Technical question: I broke my header and replaced the whole exhaust. The header had to be removed through the top of the engine requiring the air filter to be removed and reinstalled. Now I have a tea kettle like whistle and rough idle when I start the car up. Itís an SPI model. I replaced the vacuum hose on the backside of the throttle body but that didnít help.

Any suggestions?

Thanks in advance for your assistance,

Mitch
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Old 02-03-2018, 12:09 PM   #2
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Took the NAPA vacuum hose off and reinstalled the original one. That cleared up the whistling, but I still have a rough cold engine idle.
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Old 02-03-2018, 04:13 PM   #3
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Ok, purrs like a kitten now. I had some hose leftover from when I rehosed my Cooper that fit perfectly. I couldn’t change the vacuum hose that leads to the bottom of the ECU though because I couldn’t get my hand under there or get the bottom ECU mounting screw off because I couldn’t get at it. Any tips on replacing this hose?
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Old 02-03-2018, 06:25 PM   #4
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Got it after much trial and error.
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Old 02-03-2018, 10:46 PM   #5
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Big hands and small spaces = the joy of mini ownership.
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