Diagnosing engine problem
#1
Senior Member
Thread Starter
Join Date: Jul 2003
Location: Roseville,
MN
Posts: 485
Likes: 0
Received 0 Likes
on
0 Posts
Diagnosing engine problem
My t-maxx wont stay running long, and when I gun it WOT, it dies, or goes super slow. What are some tests i can do to find the problem? Anything i should know or look for in particular?
#2
Senior Member
Join Date: Sep 2004
Location: Woodhaven ,
MI
Posts: 2,108
Likes: 0
Received 0 Likes
on
0 Posts
RE: Diagnosing engine problem
does it rev up, then hesitate and sputter.. or does it run really sluggish and die? Is there smoke comming from the exhaust? What are your needle settings at??
#3
Senior Member
Thread Starter
Join Date: Jul 2003
Location: Roseville,
MN
Posts: 485
Likes: 0
Received 0 Likes
on
0 Posts
RE: Diagnosing engine problem
the HSN is set out at 2 1/2 , or 1/4 either way. When i give it 1/4 throttle, the engine seems to top out (like im giving it WOT or something). There is plenty of blue smoke coming out the exhaust when it does this to. But when i give it WOT, it will start to go for a fe seconds (but it goes really sluggish), then the engine will die.
I found that i can kick up dirt only if i give it WOT from a stand still, the 1/4 throttle doesnt give that power. anything in between 1/4 and WOT seems to be unstable.
I replaced the manifold gasket, the glow plug, and there seems to be good compression in the engine. It is using an MIP pipe (goes out the back of the truck)
I found that i can kick up dirt only if i give it WOT from a stand still, the 1/4 throttle doesnt give that power. anything in between 1/4 and WOT seems to be unstable.
I replaced the manifold gasket, the glow plug, and there seems to be good compression in the engine. It is using an MIP pipe (goes out the back of the truck)
#4
Senior Member
Join Date: Jan 2003
Location: long beach,
CA
Posts: 343
Likes: 0
Received 0 Likes
on
0 Posts
RE: Diagnosing engine problem
sounds like you are lean. back out to 3 1/2 on the hsn and see how it goes from there. but what is the smoke like at WOT (while it is running)
#7
Senior Member
Thread Starter
Join Date: Jul 2003
Location: Roseville,
MN
Posts: 485
Likes: 0
Received 0 Likes
on
0 Posts
RE: Diagnosing engine problem
lol funny story
its doing it again! it ran good for a few tanks after making that adjustment, and then started have the exact same problems again!!!!!!!!!!!! [:@] [:@] [:@]
its doing it again! it ran good for a few tanks after making that adjustment, and then started have the exact same problems again!!!!!!!!!!!! [:@] [:@] [:@]
#10
Member
Join Date: Feb 2003
Location: San Antonio, TX
Posts: 48
Likes: 0
Received 0 Likes
on
0 Posts
RE: Diagnosing engine problem
I'm sorry, I assumed you had a 2.5. The bellows is the blue rubber that covers the slide. If its loose from the carb housing you could get a slight air leak there. Also if its off debris can scratch the slide causing an even bigger leak. Spray some WD40 around the base of the carb. If the engine stumbles when you spray around the base or engine backplate then you have a leak.