Stall / Idle issues + suspected EGR + exhaust leak - Toyota Nation Forum : Toyota Car and Truck Forums

3rd & 4th Generation (19921996 & 19972001) Toyota Camry Discussion for years: 1992-1996 & 1997-2001 Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

LinkBack Thread Tools Display Modes
post #1 of 3 Old 01-24-2013, 01:51 PM Thread Starter
Official TN Member
Join Date: Dec 2010
Location: canada
Posts: 68
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 44
Thanked 2 Times in 2 Posts
iTrader Score: 0 reviews
(Thread Starter)
3rd Generation Stall / Idle issues + suspected EGR + exhaust leak

Re: 1993 Camry 2.2l auto

Here's yet another post about rough idle and stall issues once the engine warms up. My problem has been the car stalls or nearly does, particularly when stopping on an incline and/or when abruptly stopping.

I've narrowed in on the EGR valve (after doing the proper IAC cleaning shown here and here). I disconnected the air hose to the EGR valve and plugged it (as discussed here). The problem was gone when I took it for a test drive -- and sure enough the problem resurfaced on that same drive once I re-connected it.

A few questions:

1. Can I drive indefinitely with the EGR valve hose plugged like this, or would that cause harm?

2. Is it possible to clean rather than replace the EGR valve? It looks like a new EGR would be somewhere around $300. The car's only worth about $1k. I'm most interested in not having to put car on jack stands (i.e., leaving the pipe alone).

3. The CEL did not come on when I disconnected the EGR valve hose, nor when I disconnected the ECT engine coolant temperature sensor. Does that indicate a problem with the ECM? FWIW, before I did either disconnection, I used a paperclip and got no codes at all, just the flashing "all clear" sign).

4. I have an exhaust leak at the rear flange. Could this be contributing to the stall/idle issues? I read a reference somewhere to insufficient back pressure...

Thanks in advance for any and all responses.

nemodat is offline  
Sponsored Links
post #2 of 3 Old 01-24-2013, 09:37 PM
Senior TN Member
Join Date: Sep 2008
Location: Wisconsin
Posts: 2,825
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 5 Post(s)
Thanks: 9
Thanked 311 Times in 294 Posts
iTrader Score: 0 reviews
93celicaconv is offline  
post #3 of 3 Old 01-25-2013, 10:23 AM
Deputy of Mayberry
BMR's Avatar
Join Date: Dec 2007
Location: Colorado
Posts: 7,917
Mentioned: 10 Post(s)
Tagged: 0 Thread(s)
Quoted: 496 Post(s)
Thanks: 262
Thanked 1,368 Times in 1,210 Posts
Lifetime Supreme Member
iTrader Score: 2 reviews
Regarding #3: Your Camry has OBD I, which is extremely resistant to throwing codes. I doubt there's anything wrong with the ECU. I had a very recent related experience with my two Toyotas... My Avalon (with OBD II) threw a P0401, which is "insufficient EGR flow"). I diagnosed it down to a bad EGR vacuum modulator. Coincidentally, my Camry (with OBD I) has the exact same p/n modulator, so I swapped them. The code cleared on the Avy, and EGR system showed "ready" on my OBD II monitor. Meanwhile, the Camry ran for a week with a known bad modulator without throwing any code.

Just an FYI on which Camrys have OBD I Vs OBD II:

1992-1995 with the 5S-FE four cylinder
1992-1993 with the 3VZ-FE V6

1996-onward with the 5S-FE four cylinder
1994-onward with the 1MZ-FE V6

2015 RAV4 Limited, AWD, tech pkg, Barcelona red metallic, 19k miles
1996 Avalon XLS, ABS brakes, super white II, acquired w/ 139k, now at 341k
1992 Camry LE, V6 (3VZ-FE), ABS brakes, dark emerald pearl, owned since new. Replaced HGs @332k, totaled at 384k miles

Last edited by BMR; 01-25-2013 at 10:40 AM.
BMR is online now  
Sponsored Links

  Toyota Nation Forum : Toyota Car and Truck Forums > Toyota Passenger and Sports Car Forums > Camry and Solara Forum > 3rd & 4th Generation (19921996 & 19972001)


User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome