 L-Jet throttle body question |
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| Rob-O |
 Nov 1 2016, 10:24 AM
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#21
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Senior Member  Group: Members Posts: 1,252 Joined: 5-December 03 From: Mansfield, TX Member No.: 1,419 Region Association: Southwest Region 
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New spring installed.
Still runs way rich, low stumbling idle during warm up. Once it's warm it runs good. Checked CHT, temperatures weren't exactly at 68 deg. F and 176 deg. F, but at 68 deg. F it was at ~1700 ohms when it should've been at 2200-2300. Have a new CHT coming from the group buy, we'll see if that helps. Attached thumbnail(s) 
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| timothy_nd28 |
Nov 1 2016, 11:10 PM
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#22
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Advanced Member Group: Members Posts: 2,299 Joined: 25-September 07 From: IN Member No.: 8,154 Region Association: Upper MidWest
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Did this running rich issue happen after you installed the pretty throttle body? The lower resistance from the CHT sensor simulates a warmer engine, which should be a leaner enrichment from the ECU.
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| Rob-O |
Nov 2 2016, 06:30 AM
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#23
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Senior Member Group: Members Posts: 1,252 Joined: 5-December 03 From: Mansfield, TX Member No.: 1,419 Region Association: Southwest Region
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Nope. It's been there since I switched from carbs back to FI.
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| ClayPerrine |
Nov 2 2016, 11:33 AM
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#24
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Life's been good to me so far..... Group: Admin Posts: 15,503 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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I helped Rob with the reinstallation of the Fuel injection. I checked the FI harness, and all the connections.
It is possible he has a mismatched ECU. Rob, Send me the part number off the ECU on your car. I will check it against the one in Betty's car. Clay |
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| Rob-O |
Nov 2 2016, 12:10 PM
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#25
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Senior Member Group: Members Posts: 1,252 Joined: 5-December 03 From: Mansfield, TX Member No.: 1,419 Region Association: Southwest Region
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Will do.
I checked the boot from the AFM to the TB and *thought* it was okay too. I just pulled the AAV and checked that. It's good. When I reinstalled I used clamps on all of the connections from there to the elbow. The line from the boot to the oil fill tower is also clamped. |
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| Rob-O |
Nov 2 2016, 03:57 PM
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#26
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Senior Member Group: Members Posts: 1,252 Joined: 5-December 03 From: Mansfield, TX Member No.: 1,419 Region Association: Southwest Region
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ECU
Attached thumbnail(s) 
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