Random 5.0 questions

HoustonGT

Gilded Gelding

Apr 6, 2003

1,418

0

0

Houston

Jan 14, 2007

#1

• Jan 14, 2007

• #1

Have a few misc. questions (well actually a friend w/ a 93 LX 5.0 has a few ques). When i start the car in the mornings if i dont give it a little gas it'll die repeatedly.. but if i give it gas for like a sec or 2 and then let off it settles into a decent idle until it warms up and then idles perfect. Is that normal? Could it be a dirty MAF? Also on the gauge cluster, the speedo needle bounces around when at low speeds (worst at below 20mph gets better the faster you go). Is there a way to fix this or does he need a new speedo? Thanks in advance

Also is there a factory amp somewhere in the interior of the car?

 

Roland69

Sergeant Tangnet

Sep 17, 2005

2,867

2

58

Port Elgin, Ontario

Jan 14, 2007

#2

• Jan 14, 2007

• #2

the speedo gear is probly worn...easy change if it's the small cable gear.

 

QUICK91LX

Founding Member

Dec 7, 2001

968

3

39

New Jersey

Jan 14, 2007

#3

• Jan 14, 2007

• #3

speedo cable is probably worn or binding causing the speedo bounce, idle issue is likely a dirty IAC (idle air control) valve, and the factory amp is located under the dash behind the radio...pull out the radio and look back in there and you will see the amp...you need the speaker wires coming out of that amp in order to wire in an aftermarket head unit

 

HoustonGT

Gilded Gelding

Apr 6, 2003

1,418

0

0

Houston

Jan 14, 2007

#4

• Jan 14, 2007

• #4

thanks alot guys

 

90mustangGT

I felt sorry for girls because

Founding Member

Jan 15, 2002

2,773

17

89

Dallas, GA

Jan 14, 2007

#5

• Jan 14, 2007

• #5

It is most likley a dirty, or slow IAC (Idle Air Controll) solonoid causing you to need to use the gas pedal durring first startup. Common problem with our year fords.

Like Roland said, most likley a worn speedo gear. Take out the speed sensor, the teeth of the plastic gear is probally worn down, easy, cheap fix.

 

bill302

Active Member

Nov 2, 2005

2,131

1

46

alabama,gadsden

Jan 15, 2007

#6

• Jan 15, 2007

• #6

this should help with the idle issues....click on link below...also when was your last tune up?????

http://www.muscularmustangs.com/maintain.php

 

BigHairyMonkey

Founding Member

Jun 18, 2003

411

1

16

Houston (Bellaire) TX

Jan 15, 2007

#7

• Jan 15, 2007

• #7

Its actually my car, i just got it 2 weeks ago and have been doing things as time alows. Just the usual misc **** after a car has sat in front of someones house for 4 years. oil & filter change, fuel filter, plugs, wires, cap & rotor, and i guess im about to clean my MAF & IAC. Another question, is there anywhere i can find a list of which fuses are to what because i dont have the factory manual.

 

poneypower89

Now everyone in the world will know I wanna bang t

Dec 6, 2004

0

3

28

Indianapolis, Indiana

Jan 15, 2007

#8

• Jan 15, 2007

• #8

BigHairyMonkey said:

Its actually my car, i just got it 2 weeks ago and have been doing things as time alows. Just the usual misc **** after a car has sat in front of someones house for 4 years. oil & filter change, fuel filter, plugs, wires, cap & rotor, and i guess im about to clean my MAF & IAC. Another question, is there anywhere i can find a list of which fuses are to what because i dont have the factory manual.

Click to expand...

Fuse box cover should tell you...

mine does anyways

 

J

jete

New Member

Jul 23, 2006

57

0

0

Lexington Kentucky

Jan 15, 2007

#9

• Jan 15, 2007

• #9

Every mustang ive had that has done that I have been able to fix by running 93 and putting a bottle of lucas injector cleaner in. Also my wife's thunderbird had the same problem until I started putting in a bottle every other fill up. Only done it three times and I got great results. They all used to die sometimes at lights. Havnt had a problem sense.

 

HISSIN50

"How long does it take to get help in here?

15 Year Member

Nov 29, 1999

31,179

33

129

Jan 15, 2007

#10

• Jan 15, 2007

• #10

BigHairyMonkey said:

. Another question, is there anywhere i can find a list of which fuses are to what because i dont have the factory manual.

Click to expand...

Courtesy of S&2B's site is the fusebox diagram. Do note that this is likely based upon an '88 GT, so there might be minor differences.

Good luck.

 

S

STANG9350

New Member

Apr 1, 2003

7

0

0

KENT ISLAND

Jan 15, 2007

#11

• Jan 15, 2007

• #11

In my 93 the factory amp is under the passanger seat.

 

fivespeedsteed

20+ Year Stangneter

Oct 17, 2003

748

22

69

Richmond, VA

Jan 15, 2007

#12

• Jan 15, 2007

• #12

yeah and the factory amp is behind the radio. its bolted down to the tranny tunnel. has a silver heatsinkn on it. cant miss it.

 

bill302

Active Member

Nov 2, 2005

2,131

1

46

alabama,gadsden

Jan 15, 2007

#13

• Jan 15, 2007

• #13

 

Attachments

• 89-93fuseboxdiagram.webp

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• breakerandfuselocations.webp

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BigHairyMonkey

Founding Member

Jun 18, 2003

411

1

16

Houston (Bellaire) TX

Jan 15, 2007

#14

• Jan 15, 2007

• #14

thanks guys

 

jrichker

StangNet's favorite TOOL

In Remembrance. Thank you for your contributions

Mar 10, 2000

27,512

2,811

234

Dublin GA

Jan 16, 2007

#15

• Jan 16, 2007

• #15

You guys with idle problems could same a lot of time chasing your tails if you would go through the Surging Idle Checklist. Over 50 different people contributed information to it. The first post has all the fixes, and steps through the how to find and fix you idle problems without spending a lot of time and money. I continue to update it as more people post fixes or ask questions. You can post questions to that sticky and have your name and idle problem recognized. The guys with original problems and fixes get their posts added to the main fix.