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hard start

  1. 4.6L Tech
    Aloha, Well, I've literally searched this forum for help and cannot find the answer to this one.. Here's my situation: 2003 Mustang GT 4.6L When start cold, it cranks but I need to press down on the gas petal to get it to start. Then as it warms up, it sputters when i press the gas petal. It...
  2. 4.6L Tech
    I'm a newbie poster here but I've been searching this and other forums for a couple of years trying to resolve this particular problem. The car is a '01 4.6 (2V) GT. A few years ago I installed a brand new '03 4.6 (2V) GT crate engine. The engine is completely stock and bolted right in with all...
  3. 5.0L Talk
    i have a 96 mustang with a 302 in it from an 89 crown vic. i got the car about 6 months age it has edelbrock rpm performer top end kit been bored over .040 has hei ignition. my problem is it starts hard and after i get it start it backfires through the carb and has real rough idle. this all...
  4. 2005-2010 V6 Mustang Tech
    Apologies in advance if this has been covered but I couldn't find anything on it. My 06 v6 stang starts really hard in the cold. The engine will start but will immediately sputter out within a couple seconds of starting. After the 2nd or 3rd try it starts right up and runs perfect. I bought...
  5. 5.0L Tech
    I was having several little problems with my 88 gt over the last couple months, backfiring under hard load, high idle, throttle hesitation off of idle, just a lot of little stuff. I was just assuming that I was due for a tune up and a new battery. Well the other day I got in it to go to the shop...
  6. V6 Tech
    I just bought a 1997 mustang with a v6 3.8l that was idling and running rough. Check engine light was on & Autozone said it needed a camshaft sensor. I replaced the sensor & shaft that was bad. Now the car will start & idle but when I put it in gear it dies. It also misses when you rev it up...
  7. Classic Tech
    I have a 67 6 cyl, 3 spd manual, just installed factory carb w/ auto choke. Starts great, runs great, just about dialed in. However, if it ever stalls hot, it won't fire up unless I get out and manually close the choke plate, then it starts right up. Timing is dead on 6 deg btdc, checked...
  8. Classic Tech
    I have a 351W out of a 94 f-150. I had a fan give out on me and I didn't notice that it was overheating until the gauge was at 250. So I pulled the heads and checked for warping then replaced the gaskets and buttoned the engine all up. When I went to start it The starter wouldn't turn it. I...
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