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  #1  
Old September 23rd, 2008, 08:44
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Blackash132 Blackash132 is offline
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hesitation - help

So in my 97 it seems as though there is some hesitation during in town driving. When I let off the gas as you would in traffic then accelerate again it lags for a second then works fine, it's barely noticeable but it's noticeable and annoying. Only happens during my commute back and forth to work, but it seems to be getting a little worse. The only other time I noticed it was when I was stopped in the suicide lane, then made my turn, when the gear changed it was like a carborator that was thirsty then picked right up again. I tried the seafoam to try and clean out any carbon. Smoked the hell out of it and I get a little better mileage but hasn't fixed this problem. I've also been having a hard starting problem - related? It cranks for much longer than normal then starts right up.
I've got Bosch platinum 4 plugs, new wires, cap, throttle body spacer, rusty's k&n kit (cleaned it and oiled it last month)

I'm stumped.
Thanks in advance.
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Old September 23rd, 2008, 09:15
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silverlakexj silverlakexj is offline
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Re: hesitation - help

I had a problem like yours, but only when I was backing up and turning right. It turns out my wiring harness was rubbing on my fuel rail. I opened the harness, taped up the expossed wire, and zip tied it higher up, check for a wire rubbing under the hood.
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Old September 23rd, 2008, 09:35
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98XJSport 98XJSport is offline
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Re: hesitation - help

No CELs?
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Old September 23rd, 2008, 09:46
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Re: hesitation - help

Quote:
Originally Posted by 98XJSport View Post
No CELs?
CELs??
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Old September 23rd, 2008, 10:32
MapleDitch MapleDitch is offline
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Re: hesitation - help

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Originally Posted by Blackash132 View Post
CELs??

CEL(Check Engine Light)
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  #6  
Old September 23rd, 2008, 10:59
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Re: hesitation - help

oh
pardon my ignorance. no lights
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Old September 23rd, 2008, 11:43
89xj 89xj is offline
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Re: hesitation - help

did you do the seafoam through the throttle body or through a vacuum line on the intake manifold. sounds like the problem could be a dirty throttle body or possibly the spark plugs. have you tried using what the factory calls for instead of the bosch platinum 4 plugs?
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Old September 23rd, 2008, 12:56
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Wink Re: hesitation - help

Hi,
You don't say whether you fitted a new rotor arm as well when you changed the cap and wires. My 93 XJ would hesitate when I gave it more gas on hills and pulling off from traffic lights. I fitted new spark plugs, new plug wires, new cap, new rotor arm and the problems gone, I had even thought it might have been a clogged up filter in the auto box causing it. Make sure you fit a new rotor arm, on my old rotor arm the brass part had worn down quite a lot compared to the new one, this is what was making it hesitate.
Hope this helps.
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Old September 23rd, 2008, 12:58
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Re: hesitation - help

yep,
did the new rotor arm too.
and seafoam through the vac line, TB, oil fill, gas tank

Last edited by Blackash132; September 23rd, 2008 at 13:00. Reason: add
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Old September 23rd, 2008, 13:00
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98XJSport 98XJSport is offline
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Re: hesitation - help

Fuel pressure at the rail good? Could still be a plugged injector, also.
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Old September 23rd, 2008, 13:28
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Re: hesitation - help

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Originally Posted by 98XJSport View Post
Fuel pressure at the rail good? Could still be a plugged injector, also.
how can I check this?
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Old September 23rd, 2008, 15:08
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Re: hesitation - help

http://naxja.org/forum/showthread.ph...uel+pr essure

And for a fuel injector you could unplug them one at a time, if your idle goes to hell then the injector works, if it doesn't change much your injector could be plugged. Although this would be more likely if you were sputtering at higher throttle settings...
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