Desperate stalling Camry

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  #1  
Old 06-07-07, 09:44 AM
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Desperate stalling Camry

I have a 1994 toyota camry 6cly with 200,000 miles, after running for like 20 minutes it just shuts down. It then cranks but won't start After it cools down maybe 20 minutes it starts right up again. After like another 20-30 minutes all the lights come on and it shuts down again. Even on the freeway going 65 mph. Can someone please help me with this problem
So far we have replaced the:
Spark plugs
PVC valve
Cleaned air intake flywheel
Air filter
Fuel pump
Coolant temperature sensor/ECT
I'm on my last legs......Help
cpj121
 
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  #2  
Old 06-07-07, 10:23 AM
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Engines need 3 things to operate: compression, fuel, and ignition. It's extremely doubtful you're losing compression and then getting it back 20 minutes later.

You need to determine if the shutdown is due to loss of fuel or ignition.

If you have a timing light, when the engine shuts down, put a timing light on the ignition system and see if there is ignition present.

Or, when the engine shuts down, get some fuel into the intake (pour gas in or spray starting fluid in), crank the engine and see if it fires.

If I had to guess, I'd say ignition module may be your problem, but it still could be something else.
 
  #3  
Old 06-07-07, 11:01 AM
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too add to "formulas" post;

You say you replaced the fuel pump, and assumed you replaced the filter as well.

You need to take a fuel pressure reading at the time of stall.

Also check your battery and alternator.
 
  #4  
Old 06-07-07, 05:02 PM
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Thanks everyone for the hints. Yes, we replaced the fuel filter when we replaced the fuel pump. It hasn't left us stranded so far but it is running quite rough and there is a rattle that seems to be coming from the fuel pump area. Gonna check and see if forgot to tighten something.
Will take you advise and keep you'all posted.
cpj121
 
  #5  
Old 06-07-07, 07:12 PM
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Noting what you've said and what you've replaced already..............I'd be looking at crank sensor or ECU..........If you have access to a scanner, drive/run vehicle to failure.........See if scanner reads RPM while cranking......See if ANYTHING comes up (data stream) when the car's in failure mode
 
  #6  
Old 06-26-07, 03:10 PM
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Smile Camry Stalling Report-New prob

Well, after all that was replaced it turned out to be the crankshaft sensor! But, on a car this old it didn't hurt to replace the other stuff. So, Wrench 47 good job. However, our repair person had to to fax us a picture of where to find the crankshaft sensor. It was not in the regular manual. Very hard to find if not familiar?
Is there supposed to be a washer or something around the sensor? My husband says there is coolant leaking from around where he replaced the sensor. Like alot of coolant. Need to refill daily.
Where to try next?
Thanks again
 
  #7  
Old 06-26-07, 04:15 PM
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The new sensor should have come with a spacer that goes on the tip.
 
  #8  
Old 06-26-07, 05:04 PM
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Stalling Camry new prob

OK, thanks
Will let my husband know.
will update
cj
 
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