Mazda Protege This compact model offers an economical solution for the need for a sporty sedan or wagon.

1990 protege idles rough and over heats

Old Jul 22, 2005 | 11:48 PM
  #1  
dewey07071983's Avatar
Thread Starter
Joined: Jul 2005
Posts: 2
Likes: 0
Default 1990 protege idles rough and over heats

i took my protege to the shop cause i thought it was a bad head gasket but when i got it there they said it could also be just a bad thermostat if have any idea what it could be or how to fix let me know
 
Reply
Old Jul 23, 2005 | 02:45 PM
  #2  
gtxtreme's Avatar
Joined: May 2005
Posts: 120
Likes: 0
From:
Default RE: 1990 protege idles rough and over heats

YOu need to do some more diagnosing. Did the shop pressure test your cooling system to verify it not the head gasket. Other possiblies, jumped timing belt, radiator & a/c condenser fins plugged or flatten, cooling fans operation, etc. The radiator fins inspection
use flashlight look thru the grill. The cooling fans, if you have a/c turn it on, both fans should run. Just need a little more info to be able to help you.
 
Reply
Old Jul 23, 2005 | 06:23 PM
  #3  
dewey07071983's Avatar
Thread Starter
Joined: Jul 2005
Posts: 2
Likes: 0
Default RE: 1990 protege idles rough and over heats

thanx for the info i will check all that stuff and then reply back maybe u can help me again thanks
 
Reply
Old Jul 23, 2007 | 01:44 PM
  #4  
shawnkilpatrick's Avatar
Joined: Jul 2007
Posts: 2
Likes: 0
From:
Default RE: 1990 protege idles rough and over heats

I also have a 90 323 protege and my head gasket went. It overheated and eventually blew the rad nozzle that the cap srees on to right off!! I was in an accedent before it overheated and some of the rad is a little mushed but i dont think it was leaking anywere?? Could that have cause a problem?
 
Reply
Old Nov 23, 2007 | 01:12 PM
  #5  
krsdj1's Avatar
Joined: Nov 2007
Posts: 1
Likes: 0
Default RE: 1990 protege idles rough and over heats

I have a 1990 mazda protege and on the highway the temperature goes past half mark to there quarters. The car doesn't overheat just runs hot. We changed the radiator and thermostat and hoses. The car idles fine. When you drive the car around town it is fine. Only on the highway over fifty five like sixty will the temp go past half mark. My friend says the head gasket is bad. There is no water in the oil. Can anyone help thank you all.
 
Reply
Old Nov 26, 2007 | 07:14 PM
  #6  
BobD's Avatar
Joined: Nov 2007
Posts: 4
Likes: 0
Default RE: 1990 protege idles rough and over heats

krsdj1,
Blown head gasket?
Depends... are you missing rad fluid?

If your missing rad fluid, but you don't see any signs of leaks, then that's a good sign there may be a blown HG. Our 92 protege heats up to the 70% mark. It sits there solid....doesn't budge. Cars been like this for 4 years.

If your car gets hot on the highway, that may be fine.
Anything over 80% may be of concern....
If you are concerned... inspect the water pump and it's belt.
Also...ensure the fan is working properly.
The thermal switch for the fan may be old....deteriorated and thus causing the fan to come on late and shut off early.

Bob
 
Reply
Old Nov 27, 2007 | 07:49 PM
  #7  
wsoape281's Avatar
Senior Member
Joined: Mar 2007
Posts: 1,672
Likes: 0
From: houston
Default RE: 1990 protege idles rough and over heats

check the oil for water and vise-versa for a blown head gasket. a wreck can cause over heating even if there is no leak. the radiator could get clogged up and cause the water not to circulate
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Freezer
Mazda 323,Mazda 626 & Mazda 929
2
Oct 18, 2015 01:40 PM
veerent
Mazda 323,Mazda 626 & Mazda 929
7
Mar 18, 2008 07:12 PM
kenyasing
Mazda BT 50 & Pickup Trucks
9
Jul 29, 2007 10:03 AM
MAYz4
Mazda 323,Mazda 626 & Mazda 929
3
Aug 2, 2006 04:32 AM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 11:04 AM.