Cant Figure Out Whats Wrong - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 07-26-2009, 04:01 PM Thread Starter
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Unhappy Cant Figure Out Whats Wrong

The truck has been loosing power at bottome end, on the high setting of the chip the truck doesnt smoke like it used to, it runs fine when the throtle is wide open but when driving down the road at 30 to 40 mph it feels like the truck is hesitating and missing out, iv tried to do a buzz test but i can barley hear the injectors so im thinking the injectors are bad, but before i pull them im looking for any other ways to test the injectors or any other ideas of what may be wrong

Late 99 7.3L Stroke, 4in Turbo Back with 6in Stack, 75&140 HP 2 Position Chip, Boost Fooler, Foil Delete, GDS Fuel Spring, Intake, WW,4 inch suspension lift with drop pitman and drop track bar bracket, 35x12.5x16" on stock rims
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post #2 of 8 Old 07-26-2009, 04:04 PM
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Do the injectors sound the same as they always have? or do they chatter more?

2000 F-250 216k- smoke much?


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post #3 of 8 Old 07-26-2009, 04:33 PM Thread Starter
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i havent noticed anymore noise out of them

Late 99 7.3L Stroke, 4in Turbo Back with 6in Stack, 75&140 HP 2 Position Chip, Boost Fooler, Foil Delete, GDS Fuel Spring, Intake, WW,4 inch suspension lift with drop pitman and drop track bar bracket, 35x12.5x16" on stock rims
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post #4 of 8 Old 07-26-2009, 04:35 PM
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Hmm Im not really sure then sorry I couldnt be much help.

2000 F-250 216k- smoke much?


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post #5 of 8 Old 07-27-2009, 06:10 PM
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Did you ever check the 2 small screens in the tank, I had the same problem and after I cooked two injectors I dropped the tank and the 2 screens were clogged-up starving the injectors for fuel
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post #6 of 8 Old 07-27-2009, 06:20 PM
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Fat chance that all the injectors are bad.

what ICP are you running under WOT?
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post #7 of 8 Old 07-27-2009, 10:22 PM Thread Starter
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i havent checked the screens, but ill check them the next day i get off work, and im not sure how to check the ICP at WOT, just let me know and ill check it as soon as i can

Late 99 7.3L Stroke, 4in Turbo Back with 6in Stack, 75&140 HP 2 Position Chip, Boost Fooler, Foil Delete, GDS Fuel Spring, Intake, WW,4 inch suspension lift with drop pitman and drop track bar bracket, 35x12.5x16" on stock rims
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post #8 of 8 Old 07-28-2009, 05:03 PM
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Those solenoids clicking do give an indication of their health but you have to have heard a good deal of injectors to pick up anything by sound. If your scanner can do a buzz test can you run a cylinder contribution test. That would be my next step. Fuel pressure??
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