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1991 Honda CRX engine stutters while driving.

Tiny
CEGGLESTN
  • MEMBER
  • 1991 HONDA CRX
  • 4 CYL
  • FWD
  • MANUAL
  • 191,000 MILES
I have a 91 honda crx hf with the d15b6 1.5l motor. It has been stuttering when driving in all gears especially when the accelerator is in the same position. It starts stuttering than I either step on the gas or let it off a bit and it goes away for awhile than does it again and again. Ive tried everything from timing, fuel filter, plugs, wires, o2sensor. The car doesnt throw any codes on the computer. I have been stuck on this problem for awhile now. Please help.

Thanks,
Chris
cegglestn@yahoo. Com
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Saturday, September 13th, 2008 AT 1:43 PM

7 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi Chris,

Does this happen at a praticular engine rpm?
I
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Monday, October 13th, 2008 AT 1:48 PM
Tiny
CEGGLESTN
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  • 3 POSTS
No it doesnt it mostly happens when driving steady at a certain speed, example 35mph or 55mph it starts to cut out it seems till I let off the gas or step on the gas.
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Monday, October 13th, 2008 AT 3:42 PM
Tiny
KHLOW2008
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  • 41,814 POSTS
Hi Chris,

The problem seems to be sensitive to throttle movement. Did you check/test the TP sensor?
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Tuesday, October 14th, 2008 AT 9:00 AM
Tiny
CEGGLESTN
  • MEMBER
  • 3 POSTS
I will have to take it all apart because it has those factory sheer bolts unless there is an easier way :(
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Tuesday, October 14th, 2008 AT 11:07 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Taking it apart would serve no purpose. You can test its voltage at fully closed and open throttle and smooth transition while accelerating.
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Tuesday, October 14th, 2008 AT 11:21 AM
Tiny
ADVANCRX
  • MEMBER
  • 1 POST
Same sorta happend to me, but I noticed it was between 2.5 - 3.0 RPM's.

Then all the sudden my car wanted to die when I tried to accelerate from a complete stop.

After talking to a buddy of mine who's been working on honda's for over 14 years noticed right away that fuel pressure regulator was bad, not to mention he found that the TPS was broken off as well,

However he had a temp. Fix for me until I could get a new fuel pressure regulator, which was some needle nose vice grips pinching on the fuel line connected to the FPR. Just enough to create pressure. Somehow it worked like a charm.

It just may be the FPR thats bad.
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Thursday, November 13th, 2008 AT 7:57 PM
Tiny
KHLOW2008
  • MECHANIC
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Hi Advancrx,

Thank you for the input.

I would say the TPS is more likely to cause the problem then tha FPR but both would cause it.
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Friday, November 14th, 2008 AT 3:46 PM

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