just took a look everything is dark as can be, no sparks jumping anywhere I can see, 7mm wires, maybe injectors are going bad as there are four original ones, 1 yellowtop, and 1 gp sorensen, I have the front three injectors stock, and the back three are 1 stock 1 yellowtop, n 1 gp, boost guauge seems to show +13 now but struggles above 3k, all the sensors seem to be working correctly except my oil pressure sending unit doesnt seem to be working as the guauge on the dash shows the pressure needle all the way up

cant seem to find a supplier for those yellowtop injectors five-0-motorsport has sets of bosch 19lbs injectors now as everthing else bosch is crappin out on me would these too?, can I just pull some from pick-n-pull from mustang 5.0? Would normal 3.1 gp injectors work on our tgps?

Quote from: PhatMpk on December 22, 2009, 12:24:19 AM
cant seem to find a supplier for those yellowtop injectors five-0-motorsport has sets of bosch 19lbs injectors now as everthing else bosch is crappin out on me would these too?, can I just pull some from pick-n-pull from mustang 5.0? Would normal 3.1 gp injectors work on our tgps?

The yellow tops are made by Bosch. Bosch products are no where near as bad as some people think they are. What I said about the plug wires applies to pretty much any of the cheaper made part store plug wires regardless of brand. The most common issue I see with the cheap sets are them pulling apart after being removed a few times. Normal 3.1 injectors are 16.7lbs vs. our stock 22lb injectors, so they're too small. The Ford 19lb injectors flow more than what they're rated for and are pretty much equivalent to our stock injectors. I wouldn't use injectors from a junkyard vehicle unless you send them off to have them cleaned + flow tested first...otherwise, you might end up with yet another problem to troubleshoot related to the injectors you just installed. There are usually new or reconditioned sets on ebay. Cleaning + flow testing is usually about $90-100ish for a set of 6 injectors.

Here's a set on ebay that's supposedly reconditioned and carries a lifetime warranty for $67ish shipped. http://cgi.ebay.com/ebaymotors/19-LB-19LB-DESIGN-II-FUEL-INJECTORS-FORD-MUSTANG_W0QQcmdZViewItemQQhashZitem3358808b4dQQitemZ220528151373QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories


If you want brand new,  sprayitracing.com has some Denso 19lb yellow tops for $162.
http://www.sprayitracing.com/19lb%20Denso%20EV1%20High%20Impedance.htm

thanks a ton Matt

The "yellow Top" Bosch are what at least 1/4 of us run are are superior to stock.  TGPilot may still have some yellow tops, he had a bunch before...make the switch to ALL Yellow tops and many problems will go away.

ok I ordered the set of reconditioned ones from ebay, prolly take a week or so for them to get here will update then thanks all

injectors arrived today they look their in pretty good condition installing as we speak...

installed the injectors no improvement still the same.. pulled one plug looked to be black the tip white as can be on the porcelin could my Map sensor have gone bad??

If it did, I think your boost gauge wouldn't read.

Don't be offended but:

Are you using premium gas?
Do you have the factory crossover pipe?

Does your boost read correctly on a scan tool?  If not, then it could be a map sensor.  If it reads right, check your crossover for leaks as it is a common problem at the flex bellows.  You will need to pop off the shields that wrap around it to see carbon leak traces and blown fiber packing. 
Check CTS for proper resistance and check to make sure you don't have any cracks in the upper and lower intake manifolds as it is EASY to crack if you don't seat it properly when servicing.

HTH

Replaced all the gaskets i could fine on this car with brand new ones, I ran premium gas in almost always, i have premium in it now, crossover pipe was severly damaged at the flange a couple years ago, we had it repaired at that time where they welded everything nice n air tight, doesnt seem to have any exhaust leak, starts good revs awesome to 3k while in neutral or paark, idles not so great but it doesnt die while idleing, put it in drive n idle slows a lil runs like crap whenever you put your foot in it, boost gauge seems to be reading correctly when i boost it just doesnt want to go

http://www.youtube.com/watch?v=LN9PrMbp95M
WOT :(

Is the cat converter clogged? Does it glow after running it for a while?

im not sure i can check it later tonight to see if its glowing in the dark
acceleration is surging really bad now
instead of boosting its knockin real bad and wont go
heres more basically cold start to one short trip
http://www.youtube.com/watch?v=ElVeVDZaMSw
http://www.youtube.com/watch?v=nxh8P_gu0pI
http://www.youtube.com/watch?v=0jNJB06yQRY
http://www.youtube.com/watch?v=HGBNF-54ufA
http://www.youtube.com/watch?v=-vAAJ90lnTY
http://www.youtube.com/watch?v=ithmlMy33R8
http://www.youtube.com/watch?v=0FgU-oag6WY
http://www.youtube.com/watch?v=ZoG0S9n_bBA
http://www.youtube.com/watch?v=Ovswa9vGNqM
last one hard knock doesnt want to go
http://www.youtube.com/watch?v=LN9PrMbp95M

Bad fuel pump?  Whats the fuel pressure at with KOEO and KOER?