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Old 10-28-2006, 08:09 PM   #1
lwnslw
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Angry P1090 CEL code

Need some help from fellow SVT owners....
I have an 02 SVT with many bolt on's and a Predator tune from Tom. Everything has been great for the last year with my love BUT about 2 weeks ago she started losing power in the upper RPM range (5K to 7K) and stumbling real bad. The symptoms only start after the car has been driven for a long period of time. The CEL light came on and gave me a code of P0190 which is the Fuel Rail Pressure sensor. I took her into the dealer where a friend of mine works and no problems showed up on the computer. I went ahead and purchased a new Fuel Rail Pressure Sensor ($78) and installed it BUT the problem persist. I have had all TSB's performed on her in the past ( new manifold, fuel pump, injectors, AFM ) Any and all help/suggestions are welcomed.
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Old 10-28-2006, 08:16 PM   #2
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Did you check the DSI clip if it's losing power in the higher rpms...?
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Old 10-28-2006, 09:52 PM   #3
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you also may want to clean the MAF sensor carefully and some injector cleaner next

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Old 10-29-2006, 01:01 AM   #4
lwnslw
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Speedoften:
Checked DSI clip and it's fine.
1turbofocus:
Already ran injector cleaner, will try MAF tomorrow.
Thanks for the replys
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Old 10-29-2006, 02:38 PM   #5
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i dunno, maybe check that the fuel rail is screwed down properly and that all the injectors are pushed in correctly and not a little loose. ?
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Old 11-01-2006, 12:48 PM   #6
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bump.........

same problem i already changed out the fuel rail pressure sensor, fuel filter, plugs, wires, and pvc valve.
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