91 truck slows way down going up hill and shakes bad what will speed it up?

Asked by migration_BlondeeInA... May 06, 2013 at 03:18 PM about the 1991 Mitsubishi Mighty Max

Question type: Maintenance & Repair

Slows down to 25 mph going up hill it has no get up and go. It also shakes really bad in 2nd and 3rd gear. What needs to be done to it?

3 Answers

migration_judge_roy answered 11 years ago

...well if you've got an onboard diagnostic computer (most do), extract the codes that may reside there, this would give us a few crumbs to consider a powertrain error---codes Pxxx are what should show up. If this is a strict smog compliance (run a smog check on ya' periodically) would have to guess the EGR exhaust gas recirculation valve is clobberd with crud-

1 people found this helpful.
Mark helpful

migration_judge_roy answered 11 years ago

'91=ole' butyl rubber vacuum hoses what crack and leak, replace the rubber ones with silicone...probably have to ask for them...Gates rubber has them and summitracing.com has them too- probably not related to your specific problem, but just a note-skie that may help you in the future-

1 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Mighty Max

Looking for a Used Mighty Max in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

ZIP:

Own this car?

Share your experience with others.

1991 Mitsubishi Mighty Max

Write a car review

Review another car

Shortcuts

Search Mitsubishi Mighty Max Questions

CarGurus Experts

  • #1
    T_S_T
    Reputation
    410
  • #2
    kkcattle
    Reputation
    330
  • #3
    tenspeed
    Reputation
    270
View All

Know more, shop wisely

Search

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.