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06-19-2002, 02:07 AM | #1 |
Registered Member
Join Date: Nov 1998
Location: Miami,Florida
Posts: 159
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no power half-full throttle
Hey all. My car is sputtering under half-full throttle. I mash the gas pedal and it feels like I'm only on 6 cylinders.When I look at my fuel pressure gauge during idle, the needle shivers between 38-43. I increased and decreased the fuel pressure to no avail. The car idles like a champ, firing on all 8 cylinders. What should I look for and how can I test it? Should I do a compression test for a blown head gasket. I see no tell tale signs of one but I have a gut feeling. Well I'm not ruling out anything such as, mass air, o2 sensors or egr. Help?
Thanks Just me 91'lx, 302 block, crank pulley, no smog, short belt, Wolverine 1087 cam, 15 deg timing, TFS TW heads, motorsport 1.6 3/8 stud RR, ARP studs, TFS chrome hardened push rods, 24lb inj, BBK 255lph fuel pump, Areomotive billet adj FPR, Performer RPM intake(ported to 75mm), 1" spacer, Motorsport polished tall valve covers(love em), Pro-M 77, Acufab 75mm TB, Ford idle air bypass valve, K&N conical, MSD 6AL and coil, 9mm MS cables, NGK bkr5e 11 plugs@55, motorsport 3 core radiator,160 thermostat, Hurst short throw, motorsport 410 gears, aluminum drive shaft,Kenny brown Subs, Mac 1 3/4"Long tube, custom 3"off road xpipe, 2 chamber Flow Masters, 3 1/2" tailpipes HAL tubular K-member, KYB struts and shocks, Eibach springs, Steeda 2.5" Cowl, Steeda rear wing, black Dupont centari acrylic enamel paint. |
06-19-2002, 03:47 AM | #2 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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I'd check for codes first.
Take care, -Chris
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06-19-2002, 11:49 AM | #3 |
He said Member...heh, heh
Join Date: Sep 1999
Location: Jupiter, Florida U.S.A.
Posts: 3,718
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that sounds like my problem, which, by the way, just magically disappeared yesterday after I filled up the tank with gas! We'll see, I'm sure it'll come back.... Good luck, and whatever you find, make sure you post it here!
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06-19-2002, 12:13 PM | #4 |
Registered Member
Join Date: Apr 2002
Location: racine ,wi
Posts: 691
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I had the same thing happen about 2weeks ago and mine was a 2 burnt spark plug wires. my headers melted them well now I have new wires and heat boots for the wire boots
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RUN IT STAIGHT AND RUN IT HARD ________ Novi 2000 60' 1.46 1/4 10.67 mph 126.5 _________ |
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