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If I go wot before the temp hand is fully warm the car feels sluggish the entire time I drive it. If I drive it the next day and baby it until its up to op temp, it pulls great through all gears (5 speed). No codes, runs smooth, stock tune. Does anyone know what could be going on maybe...

Thanks decipha I'll check that out. I replaced fuel filter not long ago, new plugs, cleaned maf and tb

My 03 gt must be female. Had her for 2 years now great car w 170,000 on her. She feels fast as crap one day and weak the next. More than not weak. As in one day she's s blast putting you in the seat even in 3rd and the next feels like I'm pulling a trailer. 3 tanks ago she ran strong thru the...

Thanks for the reply man and I've ran some sea foam through the intake, and in the gas tank, with no improvement. Also the coils are not originals and were recently changed by the previous owner. Also no smoke, and I don't burn oil. I got the o2 eliminater harness so no more codes. I'm thinking...

Well my 03 gt just don't seem to have the power it should. I've had it 6 months and changed oil, fuel filter, plugs, and cleaned the t body. Also cleaned maf, egr, and iac. First test drive she broke loose in 3rd (it was cold and damp outside) now it maybe chirps in second. Sometimes going 45 in...

Yes it is the hot temps cuz these last few cool days have been great

Yeah I guess so. At first I thought maybe something was wrong but after hearing other people say the same I guess it's just the it is.

Haha that's good to know that there's nothing major wrong then. I guess it's just the 4.6 nature

Ok will try that next. Thanks for the help

Hey Trinity gt my car does not have the air silencer/snorkel. I was mistaken about this. Do u think this could be my problem on a warm day sucking in more heat? Like I swear it feels like I lose 20hp maybe more when it's hot.

Yeah I'm pretty sure I'm losing more than I should be when it's hot. I'm prolly exaggerating with 25% but its definitely noticeable loss of acceleration. What could be wrong?

That what I thought too. I'm not worried its only did it twice.

Any help people? Is this normal?

It's there.

Car is 100% stock accept for o/r x and knn air filter. So is this normal for an all stock gt on an 85' day?

My 03 gt 5spd with nitto 555s will throw u in the back seat at WOT after a easy 2 or3 minute warmup to about half way to operating temp. But once it gets hot then it has this lack of accelerating like it stays in lower Rpms for a longer period. It's like it lost 20% power. I have replaced fuel...

My car is a 5spd and yes the nittos r on the stock rim. Also I wasn't accelerating hard at all and it was dry out when it bogged. It did feel like tc kicked in for no reason.

Happy to hear this! And thanks for the replies

Ok my 03 gt is pretty much all stock except for exhaust and knn air filter. I've only had this car a few months and it runs great except for one day after backing out and going into first at bout 2g it cut out and bogged for a few seconds. After i let off the gas and tried again it was fine for...

Yes u are right. Saves rubber and money