01 chevy malibu won't go over 40mph


	Auto Repair Home	SEARCH POSTS	WHO'S ONLINE	LOG IN

Automotive Repair

Car Troubleshooting Topics
  Car Troubleshooting
  Engine Troubleshooting
  Engine Fault Codes
  Electrical and Wiring
  Transmission Problems

Car Repair Topics
  Car Making Noises
  Car Stereo Repair
  Heating or AC Issues
  Motorcycles and ATVs
  Tricks of the Trade
  Truck Repair Advice

Site Options:
  Login
  Sign up here!

Latest Forum Post

1989 toyota pickup 3.0 crank no start

I have a 1989 toyota pickup 3.0 crank no...

Strut spring orientation and strut mount tension nut

2017 Nissan rogue awd 2.5 L Put in Monro...

Transmission stuck in part, I have tried everything

So I'm working on my elderly fathers 201...

2017 dodge journey LED headlights on/off randomly

Year of vehicle 2017 Make of vehicle dod...

Kia Soul starter replacement issues!

Okay so my car is a 2010 Kia soul 2.0 en...

Please Help - Knock sound & engine fail

Hi all, Hoping to get some insight and ...

multiple warning lights

2013 GMC Terrain 130,000 miles 4 cylinde...

03 alero no low speed blower

Good day everyone, I have a 2003 Olds a...

04 Chevy 2500hd tail light issues

Help!!! I have changed my combo switch...

1999 Grand Caravan Sport not starting.

Hi. I'm new here. I hope someone can hel...

01 chevy malibu won't go over 40mph

Sign up here!

Search for (search options)

Auto Repair Home>> Automotive Repair>> Car Troubleshooting

riverfirm
New User

Aug 23, 2011, 10:58 AM

Post #1 of 4 (6139 views)

01 chevy malibu won't go over 40mph	Sign In

Hello-My 2001 Chevy Malibu V6 will idle and rev up in neutral, but as soon as I put it in gear and step down on gas it wants to bog way down The best I can get it up to is 40 mph. I have put new plugs, wires, coil pack, etc. with no change. It is not showing any codes either. Purrs like a kitten in neutral or park? Help please-

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 23, 2011, 11:21 AM

Post #2 of 4 (6125 views)

Re: 01 chevy malibu won't go over 40mph	Sign In

What is the fuel pressure when the engine is bogging?
If you have a scan tool with datastream capabilities what is the long term fuel trim, short term fuel trim, and MAF sensor output in g/sec?

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 23, 2011, 11:23 AM)

riverfirm
New User

Aug 26, 2011, 7:28 PM

Post #3 of 4 (6097 views)

Re: 01 chevy malibu won't go over 40mph	Sign In

Thanks for the help-turned out to be a plugged catalytic converter.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 26, 2011, 7:34 PM

Post #4 of 4 (6093 views)

Re: 01 chevy malibu won't go over 40mph	Sign In

Just curious. Was the cat substrate melted, broken, or plugged up with a foreign substance?

If the substrate melted, that could be because the cat temperature is getting to high from unburnt fuel getting into the converter. Unburnt fuel is usually the result of misfiring. Cause and effect.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

Search for (options) Privacy Sitemap