Thread: throttle hesitation
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Old 04-13-2008, 04:30 PM
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ekrupa2 ekrupa2 is offline
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Join Date: Jul 2007
Location: Detroit Burbs, MI
Cobra Make, Engine: Former owner of SPF#2632
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Hi Jay - I just contacted Roush about mine (402SR TW with a Holley Street Avenger 770). I have about 140 test miles on mine after my self install. Severe stumble/hesitation during mild to moderate acceleration (no issues when really gassing it). What are they doing to remedy the issue? I tried everything to get rid of it - I have verified the timing, tried tweaking the mixture, verified the float levels, changed the Accelerator Pump Arm Play, changed the Accelerator Pump Cams, and changed the secondary springs (parts at my own expense). Just curious what your resolutions were.

Thanks!
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