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 1993 Nissan D21 possible cat problems
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development1

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Burnaby Bc
1-19-2008

  1993 Nissan D21 possible cat problems 7:38 PM 8/11/2008

Hey,

I have a 1993 Nissan D21 Hardbody Pickup KA24E pickup with 314,000km. I am having trouble driving the truck and I am thinking it is the catalytic converter. When driving it is very hesitant, and lagging especially when going up hill. My bro complained when driving for 30 minutes the cat absolutely stank like sulphur. There is a definite loss of power. Also it heats up quite quick. I have included some pics to help.

Here's the front:

The back:

Here's a video of me tapping the cat:
http://tinypic.com/player.php?v=npnm8n&s=4

Tell me what you guys think?

Modified by development1 at 7:48 PM 8/11/2008
WWJD



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311 posts
1990 pig nose S13 DD, 1991 s13 soon to be pig nose as well
Bay Area Ca
4-14-2007

 « Re: 1993 Nissan D21 possible cat problems (development1) 11:41 PM 8/11/2008

it sounds hallow. If it is hallow I dont think it would cause your problem. when your on the throtle do you hear a rattle noise from under your truck?


DD S13 Pig nose
development1

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Burnaby Bc
1-19-2008

 « Re: 1993 Nissan D21 possible cat problems (WWJD) 11:58 PM 8/11/2008

no rattle noise, I hear an exhaust sputter
Reverend D
Altima Moderator



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1995 Nissan D21 Hardbody KA24E
Western NY
1-12-2003

 «  6:31 AM 8/12/2008

Hook a vacuum gauge up, hold RPMs at around 2500-3000, watch to see if gauge drops. The gauge dropping means plugged exhaust.
development1

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Burnaby Bc
1-19-2008

 « Re: (Reverend D) 6:37 PM 8/12/2008

where do I hook up the exhaust gauge?
Reverend D
Altima Moderator



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1574 posts
1995 Nissan D21 Hardbody KA24E
Western NY
1-12-2003

 «  5:31 AM 8/13/2008

A vacuum gauge can be hooked up on any vacuum line after the throttle plate.
development1

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Burnaby Bc
1-19-2008

 « Re: (Reverend D) 7:24 PM 8/21/2008

Alright so I replaced the cat, and low and behold my truck still hesitates. It is an intermittent hesitation in all gears, and especially when going up a hill it is VERY hesitant, and has no power. I recently changed the O2 sensor 500km ago. Any ideas?
Reverend D
Altima Moderator



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1574 posts
1995 Nissan D21 Hardbody KA24E
Western NY
1-12-2003

 «  5:27 AM 8/22/2008

Ignition timing?
development1

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Burnaby Bc
1-19-2008

 « Re: (Reverend D) 8:14 PM 8/22/2008

the truck has 314, 000 km, i was possibly leaning towards clogged injectors?
brt

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abilene ks
12-6-2008

 « Re: 1993 Nissan D21 possible cat problems (development1) 7:38 PM 12/6/2008

i have a 1987 d21 to and it is doing the same thing and i cut the cat off and it didnt make a diff. so thats not ur problem im telln u
that much and i have tryd wht i tought it was, water in the gas and that didnt work,timeing didnt work pugls, wires, cap,rotor,tbi adjustmets, fuel filter. if u find out whts wrong let me know thanks bret.

have ?'s call me at 785-280-9308
 

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