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post #1 of 6 (permalink) Old 10-22-2006, 12:44 PM Thread Starter
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Exclamation help

i replaced intake manifold checked all vacuums, engine idels fine but when you
push thr gas it runs rough.
icouldreally need some help
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post #2 of 6 (permalink) Old 10-22-2006, 01:32 PM
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is there any coolant in the plug holes, take an air compressor and pull out the plug wires and blow in them, that is a comon quick problem that it could be, if it doesnt wix it sorry wait for other ideas

96 pearl white 4.6 tbird: rebuilt npi block with pi heads, pi intake, crower stage 2 cams, shm high lift springs, L-MAF, 3.73's, marauder converter, jmod, kooks headers, xpipe, no cats, 2.5 in exhaust, no mufflers, a dyno tune, lots of interior work, 1 in drop with lots of new bushings, 18 in rims. 279 hp 319 tq. curently running 13.9 at 101 mph with a 2.1 60 time in 100 degree weather while having some nasty spark knock. Soon to have higher stall, aftermarket intake manifold, weight reduction, and hopefully a nice shot of the giggle gas.
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post #3 of 6 (permalink) Old 10-22-2006, 04:48 PM
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try cleaning for maf sensor and see what that does. If that dont work the like he said wait for other ideas.
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post #4 of 6 (permalink) Old 10-22-2006, 04:52 PM
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It doesn't run rough at an idle????Check all vacuum lines and look for a leak.Use a spray bottle to check them.

04 PI swap,SVO Supercharger 8-9 psi,Alcohol injection,39lbs Cobra injectors,XCal2-Walbro 255 LPH fuel pump,4.10 T-Lok,2003 4R70W built to withstand by RobertP,450hp JMOD,3800 circleD stall,trucool 4739 Trans Cooler,Dynotech 3.5 Driveshaft,70mm T/B,SCP Cold Air Intake,90mm LMAF,JBA headers,Magnaflow Midmount,No cats with 3inch piping,Vogtland 1.6inch drop,Cobra R's and xenon body kit.

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post #5 of 6 (permalink) Old 10-22-2006, 05:01 PM
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Define rough. Does it fell like it's missing under load? If so, one of the plug wires may not be completely seated. It's happened to me before.

Peter M

SOLD 1996 4.6l Thunderbird-(fast) PI intake, custom exhaust, Bullet-Resistant Tranny™, blah, blah, blah
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post #6 of 6 (permalink) Old 10-22-2006, 05:17 PM
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recheck all the wires make sure ya put they are on the right plugs.

and

if you touched it, recheck it.

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Thank you to the CMP Drag Racing team: Tony, Doug, Maryann, Dale, Paul and Chris.

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