Need help! Engine idles rough and cuts out under load. - Page 3 - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!
TurboDodge.com MarketPlace Shelby Registry Contact Us

Advertisement - Remove these ads today by clicking here.
Go Back   Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more! > Turbo Dodge Technical Chat > Turbo Dodge Help


Turbo Dodge Help Urgent help when something goes wrong with your Dodge and you can't figure out what the problem is. Troubleshooting help and the place to post when you're stuck with a broken car and have to get to work the next day.

Reply
 
LinkBack Thread Tools
Old 02-09-2014, 09:14 PM   #31
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
Fuel pressure under load I think is the next step. The fuel filter is new. I does feel like a fuel issue but that doesn't explain the popping and back firing.
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 02-09-2014, 09:27 PM   #32
Re: Need help! Engine idles rough and cuts out under load.  
Level 3 Supporter
 
89TonaVa's Avatar
 
Join Date: Mar 2010
Location: Portsmouth Va.

My Ride: 89 DaytonShelby TII
Engine: 2.2 Turbo FMIC
Induct: Turbo
1/4: 0.000

Posts: 1,815
Feedback: (9)
89TonaVa is keeping the peace
Did you pull plugs and check them since you replaced them? plug condition might clue you in on what to look at. it would seem to me ( some one will correct me if Im wrong) that if your backfiring it would mean raw fuel is making to exhaust and igniting. ans sputtering would be cylinder or cylinders missing due to flooded condition or lack of spark.
89TonaVa is offline  
Reply With Quote Quick reply to this message
Old 02-09-2014, 09:34 PM   #33
Re: Need help! Engine idles rough and cuts out under load.  
Level 3 Supporter
 
89TonaVa's Avatar
 
Join Date: Mar 2010
Location: Portsmouth Va.

My Ride: 89 DaytonShelby TII
Engine: 2.2 Turbo FMIC
Induct: Turbo
1/4: 0.000

Posts: 1,815
Feedback: (9)
89TonaVa is keeping the peace
Ok just read this on back fire.What causes backfiring? - Yahoo Answers answer #4
89TonaVa is offline  
Reply With Quote Quick reply to this message
Old 02-09-2014, 09:57 PM   #34
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
The plugs and wires are new when I check the plugs they are black and covered in soot. When I pull a plug wire while its running the spark out off the boot seems strong.
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Old 02-09-2014, 10:41 PM   #35
Re: Need help! Engine idles rough and cuts out under load.  
Level 3 Supporter
 
89TonaVa's Avatar
 
Join Date: Mar 2010
Location: Portsmouth Va.

My Ride: 89 DaytonShelby TII
Engine: 2.2 Turbo FMIC
Induct: Turbo
1/4: 0.000

Posts: 1,815
Feedback: (9)
89TonaVa is keeping the peace
Midnight Touge: Spark Plug Guide. Check this out.
Did it make a difference in idle when you pulled plug? and have to done that to each plug.
89TonaVa is offline  
Reply With Quote Quick reply to this message
Old 02-10-2014, 06:48 AM   #36
Re: Need help! Engine idles rough and cuts out under load.  
Boostaholic
 
Join Date: Dec 2005
Location: Virginia

1/4: 0.000

Posts: 641
Feedback: (0)
wallace is keeping the peace
With the engine at operating temperature and while it is missing what is the vacuum gauge reading? Is it steady or is it moving around?
wallace is offline  
Reply With Quote Quick reply to this message
Old 02-10-2014, 08:38 AM   #37
Re: Need help! Engine idles rough and cuts out under load.  
NAJ
Just A Guy


 
NAJ's Avatar
 
Join Date: Mar 2007
Location: New Jersey

My Ride: 1990 Daytona Shelby
Engine: 2.2 L VNT
Induct: Turbo
1/4: 15.570

Posts: 19,650
Feedback: (24)
NAJ has really helped outNAJ has really helped out
From everything I am seeing here Cam timing is correct.
Put the car back together, set ignition timing and move on to the next step of diagnostics.

If you are running "black" rich the issue is related to fuel pressure, low engine vacuum or map calibration/cts calibration.

See post #6 for the diagnostics you need to run that I posted earlier.
As you can see they are the same as Chryslers diagnostics for driveabilty issues with no fault codes or codes 51/52.

NAJ is offline  
Reply With Quote Quick reply to this message
Old 02-17-2014, 03:15 PM   #38
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
I found that the head was warped and fixed it put it back together and drove it still cut at 4000 so we pulled the plug wires and checked continuity when we put it the plug wires back on it wouldn't start I went to jump out the diagnostic plug and it started smoking and toasted at least one wire. I put a multimeter on it and had voltage on the diag plug? Now what I can't find a short.
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Old 02-17-2014, 06:50 PM   #39
Re: Need help! Engine idles rough and cuts out under load.  
NAJ
Just A Guy


 
NAJ's Avatar
 
Join Date: Mar 2007
Location: New Jersey

My Ride: 1990 Daytona Shelby
Engine: 2.2 L VNT
Induct: Turbo
1/4: 15.570

Posts: 19,650
Feedback: (24)
NAJ has really helped outNAJ has really helped out
You went to jump the diag connector to actuate the ASD relay???
Did you ground the DB/YL wire??? or the wrong wire?
The DB/YL wire is the ground circuit for the ASD relay and you would only need to actuate the ASD if you have a no start or you are checking "static" fuel pressure.



NAJ is offline  
Reply With Quote Quick reply to this message
Old 02-17-2014, 07:18 PM   #40
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
I jumped it exactly like you have in the pic there and that spot was hot and I burned up a wire. I get 12 volts there when the key is on
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Old 02-18-2014, 07:58 AM   #41
Re: Need help! Engine idles rough and cuts out under load.  
NAJ
Just A Guy


 
NAJ's Avatar
 
Join Date: Mar 2007
Location: New Jersey

My Ride: 1990 Daytona Shelby
Engine: 2.2 L VNT
Induct: Turbo
1/4: 15.570

Posts: 19,650
Feedback: (24)
NAJ has really helped outNAJ has really helped out
I once popped the cooling fan fuse manually actuating the ASD relay because of arcing during connection.

I will go out to my car later and tell you if and how much voltage is present on the DB/YL wire with the key on only.

Once you connect thy DB/YL wire to ground there will be voltage in that circuit because you are completing the relays control side.

The DB/YL wire runs to the controller cavity #58(ASD relay control)and to the ASD relay where it completes the control circuit for the DB wire.
The DB wire is powered from the ignition switch.

Which wire burned?
__________________
Jan
1990 Daytona Shelby VNT

35 Years ASE Certified
NAJ is offline  
Reply With Quote Quick reply to this message
Old 02-18-2014, 09:23 AM   #42
Re: Need help! Engine idles rough and cuts out under load.  
NAJ
Just A Guy


 
NAJ's Avatar
 
Join Date: Mar 2007
Location: New Jersey

My Ride: 1990 Daytona Shelby
Engine: 2.2 L VNT
Induct: Turbo
1/4: 15.570

Posts: 19,650
Feedback: (24)
NAJ has really helped outNAJ has really helped out
Lets remember basic electricity...
Voltage is a pressure differential that causes electron flow.
Amperage is the actual flow of electrons.
Amperage blows fuses and melts wires, not voltage.

Key On/Engine OFF DB/YL Wire Voltage and Amperage
Voltage-Battery Voltage
Amperage-147 MA(.147 amps)
(When the + Ammeter probe was placed on the DB/YL wire the ASD relay was actuated(circuit to ground was completed)with absolutely no issues.)

If you melted a wire you had too much amperage flow which is caused either by a power wire shorted to ground, wire shorted to voltage or a shorted component.
(Short Circuit-Direct Path to Ground with No Circuit Resistance)
__________________
Jan
1990 Daytona Shelby VNT

35 Years ASE Certified
NAJ is offline  
Reply With Quote Quick reply to this message
Old 02-18-2014, 12:37 PM   #43
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
It was an orange wire and it went up fast like it went straight to ground. I have 12v at the DB/YL wire with the key on so of I ground it it will short out and burn more
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Old 02-18-2014, 01:49 PM   #44
Re: Need help! Engine idles rough and cuts out under load.  
NAJ
Just A Guy


 
NAJ's Avatar
 
Join Date: Mar 2007
Location: New Jersey

My Ride: 1990 Daytona Shelby
Engine: 2.2 L VNT
Induct: Turbo
1/4: 15.570

Posts: 19,650
Feedback: (24)
NAJ has really helped outNAJ has really helped out
Quote:
Originally Posted by ghetto Viper View Post
It was an orange wire and it went up fast like it went straight to ground. I have 12v at the DB/YL wire with the key on so of I ground it it will short out and burn more
Quote:
Originally Posted by NAJ View Post
Key On/Engine OFF DB/YL Wire Voltage and Amperage
Voltage-Battery Voltage
Amperage-147 MA(.147 amps)
(When the + Ammeter probe was placed on the DB/YL wire the ASD relay was actuated(circuit to ground was completed)with absolutely no issue
You obviously did not read my last post.

Also.where does the OR wire lead to?
NAJ is offline  
Reply With Quote Quick reply to this message
Old 02-18-2014, 03:14 PM   #45
Re: Need help! Engine idles rough and cuts out under load.  
TD New Guy
 
Join Date: Sep 2009
Location: Barstow Ca

My Ride: 93 dodge stealth
Engine: 3.0l
Induct: Turbo
1/4: 0.000

Posts: 30
Feedback: (0)
ghetto Viper is keeping the peace
Sorry I'm just frustrated. The orange wire goes into a rubber thing I'll get a pic. Then I loose it in the loom. Now the car is hit and miss for running. There appears to be no other damage. We tested the relays but they seem OK. Is there a wiring diagram somewhere I can get a copy of. Due to the speed which the wire went up I am afraid to ground the DB/YL wire until I can figure out what caused the short.
ghetto Viper is offline  
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more! forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

Member names may only be composed of alpha-numeric characters. (A-Z and 0-9)

!!ATTENTION ADVERTISERS!! If you intend on advertising anything on this forum, whatsoever, you are required to first contact us here . Additionaly, we do NOT allow BUSINESS NAMES unless you are an Authorized Vendor. If you own a business, and want to do sales on this site via posting or private message, you will need to follow the rules. Shops, Stores, Distributors, Group Buys without being authorized will see your account terminated.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may 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




Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.3.2

All times are GMT -5. The time now is 09:13 AM.