Should my e99 have an AE injector? - Ford Powerstroke Diesel Forum
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Old 01-25-2014, 06:17 PM
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Should my e99 have an AE injector?

I just broke open my valve covers to do injector replacement on my e99. My #8 cylinder has an AE injector. I know newer 7.3s had the AEs to resolve cackle. Did e99s have AEs from the factory?
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Old 01-25-2014, 11:15 PM
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That just means that somebody had the injector swapped due the injector knock.
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Old 01-26-2014, 03:44 AM
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Ok my truck was built in 11/98 so its kinda a hybrid in a few ways. Is there any chance that it actually was put there by ford at the tail end of e99 production?

Last edited by E99F350Stroker; 01-26-2014 at 04:00 AM.
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Old 01-26-2014, 03:49 AM
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No it would have been switched, it was a fairly common thing to have done to cure cackle in the older superduty trucks., especially after the grey CPS came out.

The grey CPS causes many #8 injectors to come up as a fail on the contribution test, so many Ford dealers took even more of our money by then selling 7.3 owners new #8 injectors, by which time the AE was out so thats what people got.

Or if an owner came in with a complaint of knock, after some expensive testing, the injector was replaced with an AE...

Money grab mostly.


Mid year 2000 the AE became standard IIRC

Last edited by schlutzer; 01-26-2014 at 03:59 AM.
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Old 01-26-2014, 04:29 AM
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Thanks For the info!
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Old 01-26-2014, 08:39 AM
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are the rest of the injectors ADs? if not then you would have a balance fault.
I believe an AF is the long lead for AB injectors
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Old 01-26-2014, 02:00 PM
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Basicly #8 is diffrent since it gets starved the most fuel due to firing order thats why the AE or a long lead injector is there
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Old 01-26-2014, 02:08 PM
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e99s did not have the AE in production, but in calendar year 2000, Ford issued a TSB (00-22-1) where dealers were instructed to install an AE injector (XC3Z-9E527-AARM) and reprogram the PCM with an updated calibration to prevent the new long lead #8 injector that was just installed from flagging a false Cylinder Contribution Test diagnostic trouble code in the future, should that test ever be run.

It is possible that the original owner took it in to the dealer many years ago to have that TSB performed. See if you find a "Ford Authorized Modifications" label anywhere in the engine compartment. If that label says 00-22-1, then there is your proof.
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Old 01-26-2014, 02:11 PM
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If so and mixed it with ABs they made a big mistake. The displacement of the two types vary drastically

Power-Struck dot com
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Old 02-03-2014, 06:47 PM
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Power-struck all my injectors are AB except for #8 which is an AE. I realize what the AE injector is there for I just wanted to know if it was original or not. Since it isn't where in the engine compartment is the ford authorized modification sticker supposed to be? I have a miss and if the PCM isn't calibrated correctly that could be the reason.
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