help with friends 5.0

bkg97gt · May 29th, 2008, 04:09 PM

my buddy has a 95 5.0 HO mustang gt. recently it was hard starting and acting up so me and him took it apart in the driveway. it turns out the throttle body was extremly dirty and gunked up and the maf screen was dirty. we cleaned it all up and put it back together and fired it up. it took a while to start and when it did it ran real sloppy and stuttering almost stalling. then the check engine light came on. now its got a lowerd idle and still acts up any suggestions?

Modified88Dreamer · May 29th, 2008, 04:25 PM

Might have messed up the MAF screen while cleaning it.

bkg97gt · May 29th, 2008, 04:53 PM

what do you mean by mess it up? it wasnt damaged or anything when put back in. We thought maybe TPS or Map

91cobra5.0 · May 29th, 2008, 04:55 PM

give it a tune up

bkg97gt · May 29th, 2008, 05:08 PM

well to clarify now: when it is in park it idles around 500-900 rpms. when placed in gear it falls almost to 0 then rises back to 500 then revs up and down to 900. when you give it gas it almost stalls. while going down the road you dont have any problems and throttle is instant.

thanks

bkg97gt · May 29th, 2008, 05:20 PM

what about the IAC? we didnt clean it or check it. the throttle body was gunked up pretty good like i said in the previous post, so maybe its to blame?

bkg97gt · May 30th, 2008, 10:05 AM

going to try the IAc this afternoon. also was thinking maybe the TPS skipped voltage and needs to be reset. any thoughts?

WildWill · May 30th, 2008, 10:42 AM

i had this exact same problem when i put a jlt cai on my 02 mustang... as it turns out, my MAF kept wiggling around and it wasn't on quite right when i first put it back together. i had the exact same problems you're having. make sure the MAF is in the EXACT same position that you took it off on. if its even sitting at the slightest angle off, it will cause your car to sputter and stall. if the MAF is in fact in the same position and you're having the same problem, i'll bet that you messed the sensor up. those things are really sensitive, and very easy to mess up if you drop it or knock it or anything. if that's the case, go get a new one.

bkg97gt · May 30th, 2008, 06:04 PM

k ill look at that. question is how do i know what the exact position was? i mean i lined the holes up and the connector up..

TKOTLARZ · May 31st, 2008, 10:23 AM

my car did that and it was the iac and tps..tps should be as close to 1 volt as possible..like .98 would be good but not 1 or over..the iac and tps arent exspensive, and if your TB was that bad , then ur gonna need those for sure

WildWill · May 31st, 2008, 08:40 PM

really the only way to tell is to have paid close attention to how you took it off. if needs to be facing the same direction as when you took it off.

bkg97gt · June 2nd, 2008, 09:19 PM

checked the TPS today. Voltage was a 1.6. question is should i replace or what?

Darrell · June 2nd, 2008, 10:58 PM

What did you use to clean the mass air? That TPS voltage is a bit high. Elongate the mounting holes and adjust it down to about 1.00 volt.

bkg97gt · June 3rd, 2008, 06:43 PM

Cant remember off the top of my head. it was safe for sensors i remember it saying. But we didnt clean the actual MAF. just the MAF screen let it dry then replaced it.

WildWill · June 3rd, 2008, 08:41 PM

just take the screen off... you dont need it

bkg97gt · June 3rd, 2008, 09:30 PM

we thought about that, but without the screen there is a gap between the MAF and the mating surface. we didnt know if this would cause issues..

risetafive · June 4th, 2008, 03:20 AM

id take the screen off also. i dfont think it would cause any issues.

WildWill · June 4th, 2008, 05:02 PM

when i bought my car, the maf screen had been removed... but there was a rubber connector right behind the maf that looked like it had been bought at a hardware store. perhaps this was put there to seal up that gap that had been there like you described.

i don't really have the answer though, because i just put on a JLT CAI, which moves the maf to the fender well, so it's a bit different.

bkg97gt · June 4th, 2008, 08:00 PM

well hes decided to replace the TPS and IAB due to age and the problems associated. The problem is the replacement sensors are based on the OEM numbers for the parts. for example at advance auto there are:

While we find your parts, please enter your ZIP Code at PartsAmerica.com

and
While we find your parts, please enter your ZIP Code at PartsAmerica.com

to me the only difference is the price lol. any thoughts on this?

thanks for all the help guys..

Darrell · June 4th, 2008, 10:33 PM

Originally Posted by bkg97gt

well hes decided to replace the TPS and IAB due to age and the problems associated. The problem is the replacement sensors are based on the OEM numbers for the parts. for example at advance auto there are:

While we find your parts, please enter your ZIP Code at PartsAmerica.com

and
While we find your parts, please enter your ZIP Code at PartsAmerica.com

to me the only difference is the price lol. any thoughts on this?

thanks for all the help guys..

You will need to bring the factory part number in when you purchase it. They are different. Its common for auto manufacturers to switch parts mid year or randomly.

May 29th, 2008, 04:09 PM	#1
bkg97gt Regular Join Date: May 2008 Posts: 52	help with friends 5.0 my buddy has a 95 5.0 HO mustang gt. recently it was hard starting and acting up so me and him took it apart in the driveway. it turns out the throttle body was extremly dirty and gunked up and the maf screen was dirty. we cleaned it all up and put it back together and fired it up. it took a while to start and when it did it ran real sloppy and stuttering almost stalling. then the check engine light came on. now its got a lowerd idle and still acts up any suggestions?

May 29th, 2008, 04:25 PM	#2
Modified88Dreamer Enthusiast Nowhere to be found Join Date: Nov 2006 Location: Moving back home to Florida Posts: 630	Might have messed up the MAF screen while cleaning it. __________________ Well, guys its been real and its been fun, but it hasn't been real fun for me the past 3 months. Money has been tight and need to cancel my cable service to save what I can. I hope to chat with ya'll in 6-7 months from now. Bye!

May 29th, 2008, 04:55 PM	#4
91cobra5.0 Hardcore Enthusiast 91 mustang 266 ftlbs 191 hp (15.138 @92.91) Join Date: Jan 2008 Location: colorado springs Posts: 1,260	give it a tune up __________________ Fender well cold air intake, 3:73's, MAC long tubes, O/R h pipe, eibach springs, 65mm TB, electric fans, 3g upgrade, smog delete, advanced timing, MSD cap and rotor, ford racing 9mm plug wires, 75mm Pro-M MAF, flowmaster sieres 40 delta flows

May 30th, 2008, 10:42 AM	#8
WildWill Regular 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 383	i had this exact same problem when i put a jlt cai on my 02 mustang... as it turns out, my MAF kept wiggling around and it wasn't on quite right when i first put it back together. i had the exact same problems you're having. make sure the MAF is in the EXACT same position that you took it off on. if its even sitting at the slightest angle off, it will cause your car to sputter and stall. if the MAF is in fact in the same position and you're having the same problem, i'll bet that you messed the sensor up. those things are really sensitive, and very easy to mess up if you drop it or knock it or anything. if that's the case, go get a new one. __________________ 1995 GT, Ford Motorsports 'C' Springs, 2003 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM Caster/Camber Plates, BBK x-pipe w/high flow cats, Flowmaster 40-series mufflers, B&M Short Throw Shifter, JLT True Cold Air Intake

May 31st, 2008, 10:23 AM	#10
TKOTLARZ Regular 1994 GT Join Date: Nov 2007 Location: lake worth, Florida Posts: 216	my car did that and it was the iac and tps..tps should be as close to 1 volt as possible..like .98 would be good but not 1 or over..the iac and tps arent exspensive, and if your TB was that bad , then ur gonna need those for sure __________________ TwistedWedgeHds,CompCam,Rockers,Springs,Rods,Valve s,HollySys.2 Up/Low Manifold, Coil,wires,F.R. Hders,F.M. X-pipe,supper44's,BBkregulator,AirInt,255lph,3.73, F.Length Sub.Con,Rear Up/LowControl Arms,lowered.315nitto555R

May 29th, 2008, 04:53 PM	#3
bkg97gt Regular Join Date: May 2008 Posts: 52	what do you mean by mess it up? it wasnt damaged or anything when put back in. We thought maybe TPS or Map

May 29th, 2008, 05:08 PM	#5
bkg97gt Regular Join Date: May 2008 Posts: 52	well to clarify now: when it is in park it idles around 500-900 rpms. when placed in gear it falls almost to 0 then rises back to 500 then revs up and down to 900. when you give it gas it almost stalls. while going down the road you dont have any problems and throttle is instant. thanks

May 29th, 2008, 05:20 PM	#6
bkg97gt Regular Join Date: May 2008 Posts: 52	what about the IAC? we didnt clean it or check it. the throttle body was gunked up pretty good like i said in the previous post, so maybe its to blame?

May 30th, 2008, 10:05 AM	#7
bkg97gt Regular Join Date: May 2008 Posts: 52	going to try the IAc this afternoon. also was thinking maybe the TPS skipped voltage and needs to be reset. any thoughts?

May 30th, 2008, 06:04 PM	#9
bkg97gt Regular Join Date: May 2008 Posts: 52	k ill look at that. question is how do i know what the exact position was? i mean i lined the holes up and the connector up..

May 31st, 2008, 08:40 PM	#11
WildWill Regular 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 383	really the only way to tell is to have paid close attention to how you took it off. if needs to be facing the same direction as when you took it off. __________________ 1995 GT, Ford Motorsports 'C' Springs, 2003 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM Caster/Camber Plates, BBK x-pipe w/high flow cats, Flowmaster 40-series mufflers, B&M Short Throw Shifter, JLT True Cold Air Intake

June 2nd, 2008, 09:19 PM	#12
bkg97gt Regular Join Date: May 2008 Posts: 52	checked the TPS today. Voltage was a 1.6. question is should i replace or what?

June 2nd, 2008, 10:58 PM	#13
Darrell MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: Fond du Lac, Wisconsin Posts: 6,579	What did you use to clean the mass air? That TPS voltage is a bit high. Elongate the mounting holes and adjust it down to about 1.00 volt. __________________ Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

June 3rd, 2008, 06:43 PM	#14
bkg97gt Regular Join Date: May 2008 Posts: 52	Cant remember off the top of my head. it was safe for sensors i remember it saying. But we didnt clean the actual MAF. just the MAF screen let it dry then replaced it.

June 3rd, 2008, 08:41 PM	#15
WildWill Regular 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 383	just take the screen off... you dont need it __________________ 1995 GT, Ford Motorsports 'C' Springs, 2003 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM Caster/Camber Plates, BBK x-pipe w/high flow cats, Flowmaster 40-series mufflers, B&M Short Throw Shifter, JLT True Cold Air Intake

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June 3rd, 2008, 09:30 PM	#16
bkg97gt Regular Join Date: May 2008 Posts: 52	we thought about that, but without the screen there is a gap between the MAF and the mating surface. we didnt know if this would cause issues..

June 4th, 2008, 03:20 AM	#17
risetafive Newbie Join Date: Jun 2008 Posts: 6	id take the screen off also. i dfont think it would cause any issues.

June 4th, 2008, 05:02 PM	#18
WildWill Regular 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 383	when i bought my car, the maf screen had been removed... but there was a rubber connector right behind the maf that looked like it had been bought at a hardware store. perhaps this was put there to seal up that gap that had been there like you described. i don't really have the answer though, because i just put on a JLT CAI, which moves the maf to the fender well, so it's a bit different. __________________ 1995 GT, Ford Motorsports 'C' Springs, 2003 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM Caster/Camber Plates, BBK x-pipe w/high flow cats, Flowmaster 40-series mufflers, B&M Short Throw Shifter, JLT True Cold Air Intake

June 4th, 2008, 08:00 PM	#19
bkg97gt Regular Join Date: May 2008 Posts: 52	well hes decided to replace the TPS and IAB due to age and the problems associated. The problem is the replacement sensors are based on the OEM numbers for the parts. for example at advance auto there are: While we find your parts, please enter your ZIP Code at PartsAmerica.com and While we find your parts, please enter your ZIP Code at PartsAmerica.com to me the only difference is the price lol. any thoughts on this? thanks for all the help guys..