Power loss!!

Reply

  #1  
Old 03-17-05, 03:45 PM
Member
Thread Starter
Join Date: Jan 2005
Location: Pennsylvania
Posts: 302
Question Power loss!!

Ok, I have a 1987 Dodge D-50 4x4 with the 2.6 Mitsibushi motor in it. Lately my truck has been idling roughly and is very non-responsive at times while driving down the road. Although it idles roughly while it is sitting, it is responsive when I hit the gas?? It's a 5 speed standard and seems to run well in like 1st and 2nd gears?? Only tends to surge in 3rd to 5th gears??? I just tuned it up like 3 months ago and it had ran fine. I originally thought I had some bad gas but apparently not?? I checked all the plugs,wires, cap,rotor, blew out the air cleaner, and checked all vacuum lines but couldn't find anything?? I have never replaced the oxygen sensor or the fuel filter in the last 2.5 years I have had it! Does anyone think either of these might be causing my problem?? Thanks in advance!! Jack
 

Last edited by unclejack; 03-18-05 at 03:29 PM. Reason: re-list
Sponsored Links
  #2  
Old 03-19-05, 11:44 AM
Member
Join Date: Aug 2004
Location: USA
Posts: 539
I would try replacing

the fuel filter. It may not solve the problem, but it won't hurt anything either!

Is the Check Engine light on? I probably wouldn't replace the oxygen sensor unless I had a code or it tested bad.

It sounds like you covered the rest of the bases, maybe check again for vacuum leaks? As a last resort, maybe a fuel pump on it's way out...especially if it's an electric? Try testing fuel pressure/flow, after the filter change.
 
  #3  
Old 03-19-05, 05:19 PM
Member
Thread Starter
Join Date: Jan 2005
Location: Pennsylvania
Posts: 302
Question

Ok, I replaced the oxygen sensor and it seems to run just a little better, but not much! I was also thinking maybe the fuel pump? It has a mechanical fuel pump, so as a last resort I just may replace it! I believe you test the fuel pump with a pressure gauge, right? Still have to replace the fuel filter tomorrow and see what happens! Thanks!!! Jack
 
  #4  
Old 03-20-05, 05:44 PM
Member
Thread Starter
Join Date: Jan 2005
Location: Pennsylvania
Posts: 302
Thumbs up

Originally Posted by unclejack
Ok, I replaced the oxygen sensor and it seems to run just a little better, but not much! I was also thinking maybe the fuel pump? It has a mechanical fuel pump, so as a last resort I just may replace it! I believe you test the fuel pump with a pressure gauge, right? Still have to replace the fuel filter tomorrow and see what happens! Thanks!!! Jack
Think I got it finally!! replaced the fuel filter today and seems to be running a lot better, so far anyway!!!
 
Reply

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 Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes