cold start

Hey guys My 91 v8 with no modifications except bbk shorty headers has this (linked Cold start) happen at cold start, the smoke comes from the passenger side. However a few minutes later (linked driver side) it switches over to the driver side. Are there any suspicions as to what could be the...

First post. I have 1990 gt and I completely rebuilt the motor. It runs poorly on startup like multiple misfires. Once it warms up it runs smooth as hell. I have tried a lot of parts testing and diagnosing. What I see happening is something in opem look causes this to run like crap. I've searched...

I have a 92 mustang 5.0 with some mods done. when cold started it has a rough idle unless I unplug the iac the rpm’s drop the way they should. it’ll drive fine for about 10 mins and then it’ll bog completely on its face past half throttle and will eventually die if you don’t pull over and let it...

Greetings to all, Currently running the diyautotune MSPNP Gen 2 v1.2 on my 93 turbo stang with a standard 302/GT-40x heads/F-cam running with FRPP 42lb injectors. I initially, downloaded the base tune from DIY and have been tuning. So far, it idles and runs really good. The issue I'm having...

New tadpole in the pond here But I am having some problems, i've thought long and hard about, but i live in the boonies, the mechanical experience is around here but i can't seem to come to a conclusion - had stock gt w/K&N intake - running fine - installed pypes o/r H - tried eliminators...

I have a 2001 GT, NOT ALWAYS but usually only in direct morning under "cold start" conditions I will get a high idle of 1,600RPMS. Now and then if you put it in gear it will drop RPMS and die out. If you restart the mustang right away idle will return to normal. If not about every 30 seconds or...