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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
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<blockquote data-quote="Bullitt5566" data-source="post: 15549989" data-attributes="member: 119066"><p>Not yet. I disconnected one of the fuel pumps and FPDM, no change. I made the O2 timing changes decipha suggested. Didn't seem to help. I also changed out the injectors for known good ones. No change. This weekend I'm replacing the FRPS and O2 sensors with Motorcraft sensors. I'm also going to check the mechanical items, again, plugs & compression. After that I'll be moving the O2 sensor from the collector to one of the primary tubes on the long tube headers to eliminate delay and possible air leaks in the collector. Anyone have an idea which cylinders should be monitored with the bullitt intake? I know one is leaner than the others. If that doesn't work, the valve covers come off to check camshaft timing/balance. If that is fine, the stock cams go back in.</p></blockquote><p></p>
[QUOTE="Bullitt5566, post: 15549989, member: 119066"] Not yet. I disconnected one of the fuel pumps and FPDM, no change. I made the O2 timing changes decipha suggested. Didn't seem to help. I also changed out the injectors for known good ones. No change. This weekend I'm replacing the FRPS and O2 sensors with Motorcraft sensors. I'm also going to check the mechanical items, again, plugs & compression. After that I'll be moving the O2 sensor from the collector to one of the primary tubes on the long tube headers to eliminate delay and possible air leaks in the collector. Anyone have an idea which cylinders should be monitored with the bullitt intake? I know one is leaner than the others. If that doesn't work, the valve covers come off to check camshaft timing/balance. If that is fine, the stock cams go back in. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
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