95 engine miss @ idle only

Reply
 
LinkBack Thread Tools Display Modes
Old 08 Jul 2003, 12:37 am   #1 (permalink)
mowen101
Guest
  • Posts: n/a
  • User Status:


Default 95 engine miss @ idle only

I cant figure this one out. Mainly after engine reaches normal opperating
temp, you pull up to a stop engine idles briefly then start a hard miss.
shift to nutural idle smooths out.
Heres a list of what has been done
new plugs
new wires
new cap
new rotor
timing belt
cleaned throddle body
no engine codes


  Reply With Quote
Old 09 Jul 2003, 01:31 pm   #2 (permalink)
Jason James
Guest
  • Posts: n/a
  • User Status:


Default Re: 95 engine miss @ idle only


"mowen101" <mowen101@cablerocket.com> wrote in message
news:3f0a4db4$0$4960$2c56edd9@news.cablerocket.com ...
> I cant figure this one out. Mainly after engine reaches normal opperating
> temp, you pull up to a stop engine idles briefly then start a hard miss.
> shift to nutural idle smooths out.
> Heres a list of what has been done
> new plugs
> new wires
> new cap
> new rotor
> timing belt
> cleaned throddle body
> no engine codes


Opinion only.

Injector/s need cleaning?

At idle any faults which cause air to be admitted to the engine (air leaks)
are a lot more noticeable due the demand of air is small and any additional
sources become significant. Check the inlet manifold and throtle-body for
tightness or gasket damage. Not sure whether these angines are sensitive to
crankcase air leaks (PCV system), check dipstick seal, rocker-cover,oil-cap
seal.

Valve condition can cause idle quality problems. (vacuum gauge to inlet
manifold to test for eratic readings)

Engine management computer and sensors:
Base ignition timing and mixture should also be checked. (Timing light and
exhaust gas analyser)

Agree the 'computer' should be expected to throw up alarm code/s in this
event. The initial delay before rough idling commences seems to point to a
management issue of some sort.

Jason


  Reply With Quote

Reply

Thread Tools
Display Modes

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 On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 02:52 pm.

Attribution:
Autoblog
Powered by Yahoo Answers



ToyotaLexusForum.com is an unofficial community for car enthusiasts. ToyotaLexusForum.com is not affiliated with Toyota Motor Corporation in any way.
Toyota Motor Corporation does not sponsor, support, or endorse ToyotaLexusForum.com in any way.
Copyright/trademark/sales mark infringements are not intended or implied.