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1990 Cherokee sputters at throttle

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Old 01-15-2018, 01:26 PM
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Default 1990 Cherokee sputters at throttle

my Jeep idles fine but the second you give it throttle it’ll sputter/Bog. I’ve replaced the upstream o2 and the intake gasket. Can’t find a vacuum leak. Not sure what to do.

Last edited by Johnnie Webb; 01-15-2018 at 01:26 PM. Reason: misspelt a word
Old 01-15-2018, 02:23 PM
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You can check out cruiser's info pages that have a ton of great info on your Renix Jeep - www.cruiser54.com

I'd do that and check your TPS (outlined at the above site) and while you've got the hood open, clean and tighten all your grounds just for good measure (also outlined at the above site).
Old 01-15-2018, 04:36 PM
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get you multi-tester out check the Throttle Position sensor,
Also check your distributor is tight and indexed correctly for starter.

http://www.lunghd.com/Tech_Articles/...iagnostics.htm
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