i have a 95 vtec prelude with 148k and i take great care of it, i change my oil every 1500 miles, i recently changed my fuel filter, my air filter is decent. about 2000 miles ago i changed my spark plugs and distibutor cap. but i didnt change my wires or rotor because the wires were like 75 and i couldnt get the screw for my rotor out. the car was running fine and really strong and all of a sudden it started to bog down and hesitate when i put it in 2nd for example and step on the gas... the gear engages but it takes a while for the power to kick in. and its not just in second it can be in 1st or 3rd too. do you think it could be the wires or rotor even though the car ran fine for a while without them or maybe i couldve sucked up a little water because i did go over a big puddle like a week ago but i didnt notice anything different for a couple days. thanks in advance...also the car was blowing a little black smoke so i did a big fuel system cleaning and had the same problem. not a lot of black smoke but a little at high rpms. also i tried changing my header and cat, i put an ebay header on with a high flow cat...but i still have an exhaust leak, ya think an exhaust leak could cause it to hesitate like that?


Modified by slammedef06 at 12:46 PM 7/23/2006

 

Have you checked your O2 sensor? Also, is your car throwing a CEL?

 

I remember when i had my h22 swapped sol i was always having problems, probaly because it was an older h22, like a 91... anyways i this is what i would check.

plugs
wires
cap/rotor
check cells
If this motor is in another car eg. has a smaller radiator see if its running worse because of heat.
o2 sensor
check timing
see if the motor is being grounded good enough **

make sure your running 91+octane
umm, vacuum leaks are a huge one.

I once went mad trying to figure out why the motor wasn't running good for like 4months and finally found out that a screw on the tb was loose
Other than that, pull the plugs and see what they look like.

 

maybe i'll pickup a set of spark plug wires and an o2 sensor... you think that should solve the problem? thanks

 

check your O2 sensor, and your Map sensor....

 

im gonna put logic to work here....start off by replacing the wires and rotor..

 

also try resetting your ecu, either by unplugging the ecu or disconnecting your battery... I had the same problem, and this worked.

 

how is it idleing?

 

idles great, i'm gonna reset the ecu tomorrow and do the wires and rotor...i'll let ya know

 

mine had the same problem but i had a bad spk plg wire,
chang ed all of the wires and it fixed the problem.

 

get oem's or ngk's if u get new wires.

 

does it hesitate at very high rpm's also?

i went through changing plugs, wires, cap, and rotor.......only to discover it was my ignitor going bad. Ended up buying a whole new distributor b/c the ignitor is so expensive you might as well replace everything

 

just replaced my wires, it's a little better but its still doing it. i did notice that my resonator is cracked at the weld, not the cat but there is a long long resonator after the cat that is cracked pretty good, the car is loud and has been loud but would this cause the hesitation? i guess i should change my rotor but i can't get the phillips head screw out, could i use an impact driver to get it out or will that snap the whole shaft?

 

can u get a set of needle nose vise grips around the side of the screw
while you use the phillips on the head of it and turn them both at the same time?

 

maybe i'm gonna try in a little bit. do you think the rotor would cause such a problem or maybe the exhaust crack? is there a way to test my distributor to find out if its bad?

 

i seriously doubt it's your distributor

 

got my exhaust done 2.5" piping into apex n1 can, reset my ecu, wires are done and ITS STILL HAPPENING... i guess i need new injectors.

 

not the distributor...the ignitor in the distributor

i didn't find out what my hesitation was until my car died one day merging onto the interstate.....i had it towed to honda and they told me the ignitor was bad.....i did some looking and the price of a whole distributor was less than $100 more than just the ignitor so i had my car towed back home(AAA plus) and replaced it myself

 

well i just changed my rotor, overall the car feels smoother but as for the problem, its still there. i'm convinced its something to do with the fuel...i recently changed my fuel filter so i guess that leaves the fuel injectors, fuel pump etc... what are the symptoms of a bad fuel pump and how do you tell?

 

for all the money you've spend replacing things you could have just taken it to honda and had them diagnose it.

btw.....<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">ignitor</TD></TR></TABLE>

 

im having the same problems but i have replaced the spark plugs and that didnt help. i was going to replace the wires but someone told me the replace the o2 sensor before i did that because that was a great possibility. So, I about about to do that...I'll keep everyone posted.

 

i'm having the same problem with my h22 up high its great and down lown very hesitant? i'm stumped

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by H22Ej2 &raquo;</TD></TR><TR><TD CLASS="quote">i'm having the same problem with my h22 up high its great and down lown very hesitant? i'm stumped </TD></TR></TABLE>

x2 try the o2 sensor...its what a guy from acura told me.

 

just replaced that and have new plugs and ngk wires....my map sensor is from the h23 becuase the h22 never came with one! is that an issue?

 

so i guess next on the list for me would by the o2 sensor and the ignitor...where is the ignitor? is it the external black box where the 5th spark plug wire goes? if not what is that? thanks