Ford Mustang Forum banner

troubleshooting

  1. 89 LX Idle problems

    5.0L Tech
    I made a post on here a few months back trying to get my 89 5.0 in running condition and we got there, all it needed was a new ignition switch. I got a rebuilt ECU out of that thanks to my troubleshooting. Anyways, now that it actually will start, it seems to not like to run cold. This morning...
  2. 89 5.0 Oddly wont start...

    5.0L Tech
    So me and my dad are trying to get his 89 5.0 lx, which has been sitting since 07, running and on the road. He already knew we needed to replace the rusted fuel tank, pump, and filter. Did that. After we installed those things we tried to fire it up but struggled to and eventually the battery...
  3. 2004 v6 Help! (Intermittent starting issues)

    V6 Tech
    Thank you in advance for your help. Over the past week or so, my car sounds like it wants to start but doesn't engage. Yesterday it started and worked fine, even last night when the temperature was really cold; it had a little trouble and eventually started. We have checked the battery...
  4. What am I looking at?

    V6 Talk
    I was driving down main street a few days ago and a loud bang resonated from my undercarriage, I pulled over and I found this beautiful looking hole spewing oil everywhere. Oil pressure is zero and my transmission is still functional as far as i can tell, so I'm wondering if anyone can tell me...
  5. 2007 V6 Xenon HID light flicker

    2005-2010 V6 Mustang Tech
    Just this last weekend I installed HID headlights for my car, only to find that when the car is running the low-beams flicker on and off rapidly. 1. When the car is off, they function normally. 2. The fog lights and high-beams both function together or independently if the car is on or off, so...
  6. 1991 Idle issues

    5.0L Tech
    So, i'm new to this forum and I know that this question has probably been answered a million times but, what would be causing my 1991 5.0 to have surging idle (700-1250 Rpms) to the point where it dies or dies with the slightest touch of the pedal. The first i thought it might be was the IAC...
  7. 88 gt convertible 5.0 stock

    5.0L Tech
    88 gt convertible 5.0 stock MISFIRE!!! hello! I we bought this car from a guy on the vancouver island and he claimed a lot and though work and lots of testing he has been proved to be full of it! so here we go! we first got the car back to Langley and it blew a ignition module and changed it...
  8. Automatic ecu in standard

    V6 Tech
    I did an auto to manual swap on my car and the standard ecu didnt allow the car to start. So i swapped the ecu back to the automatic and it started right up. I didnt try to drive the car i just started it and turned it back off to see if it would start. My question is if i tried to drive my now...
  9. 1990 Mustang LX 2.3 Problems After Overheating

    2.3L Tech
    On a hot summer day I was driving my 1990 Mustang 2.3 liter and didn't realize it was puking coolant all over the place. Little did I know I had a failed water pump, bad radiator, and my overflow jug was split in two, I had purchased the car about 3 months before this happened so I hadn't gotten...
  10. Drivetrain clunk greatly reduced...for now

    2011 - 2014 V6 Mustang Tech
    Just wanted to share my troubleshooting journey with everyone. I finally found a major cause of my drivetrain clunk and managed to reduce it to a barely perceivable level. TL;DR at the bottom. A little bit of history: the clunk started to manifest less than 6 months after the car was driven...
  11. Surging around 1700 RPM - 2005 Mustang GT Automatic

    2005-2010 Mustang GT Tech
    Hello, My father met with Dan from pro-dyno in Winston-Salem last year to tune my S197 mustang. Dan may remember the case, but we were having problems with the car surging in 5th gear around 1500-1700 RPMs. After taking a ride with my father to witness the problem, he mentioned that he thought...
  12. SCT tuner troubleshoot

    2005-2010 V6 Mustang Tech
    I just recently bought a used SCT tuner from a guy that had the same make/model as my mustang. I sent it in to SCT and they unlocked it and all that stuff for $150. I got the tuner yesterday and tried to install it. After plugging it in and continuing through the first 2 screens it asks me to...
  13. Need help with Fox Body 5.0 gt

    5.0L Tech
    I recently purchased a 5.0 gt and the car has a few issues. Most notably It runs rich and has a rough idle (without the MAF sensor plugged in), When the MAF sensor is plugged in the car dies of and stops running. Ive gont through the fuel system with new injectors, regulator and fuel filter. and...
  14. 1996 mustang gt dies down

    4.6L Tech
    So i took my 1996 mustang gt 8cyl 4.6L SOCH 5speed out after i had try'd to replace the ignition cylinder but had to put the old one back in and so i was driving it up my occasional hills and about 1 mile i turn around and it just starts to die out everytime i give it gas. Any help please
  15. 2004 Ford Mustang GT - Pop noise from under hood, now engine sounds like a lawn mower

    4.6L Tech
    I was hoping for some help on where to begin troubleshooting this. I am by no means a mechanic. My wife was going under 5 miles an hour when she heard a pop from under the hood and now the engine sounds like a very loud lawn mower. It gets louder when you accelarate. The noise is aweful...
  16. Code P0193 ever after engine swap

    V6 Tech
    Ok ive done to much to this mustang to give up. I have a 99 v6 and the engine went out. It had a blown headgasket. before it went the check engine light was on and saying cylinder 3 misfire. i changed the plugs and everything but still was reading that and wasnt idling good at all. i figured it...
  17. 1966 Mustang Not getting spark

    Classic Tech
    Hey guys, I new here and im am having a huge problem with my car. I am still in high school and am restoring my first car. It is a 66 mustang with a 200ci inline 6 engine with an auto trans. Any way, i can get my car to turn over, but it has no spark. It has a new battery and battery cables...
Top