Question about 1996 Pontiac Sunfire

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When its hot outside the car will run for one or two mies then stall. it starts right back up and will go another few miles and stall.It is not overheating and none of the engine lights come on

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Hello! There are a few sensors that need to be tested...#1 the Intake Air Temperature sensor (IAT) It is located in the inlet hose...Has a two wire connector...Colors are...Tan and Black...When engine is hot...Disconnect the plug...Using an ohm meter... The resistance across the sensor pins...Reads approx. 175 ohms...When at ambient temperature (65-70 degrees) the resistance reads 3,000 ohms...If not the IAT is defective...

Next is the Manifold Absolute Pressure sensor (MAP)...It is also bolted to the throttle body...Has a three wire connector...colors are...Orange/Black...Light Green...And Gray...Using two safety pins push them into the rear of the MAP connector on the Orange/Black and Light Green...When engine is hot...Using a volt meter...Set to read 5 volts...Hook the + probe to the Orange/Black safety pin and the - to the Light Green pin...Turn on the key...Meter must read 5 volts....

Send a comment...............Saailer

Posted on Jul 06, 2010

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Posted on Jan 02, 2017

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STARTS BUT WON'T STAY RUNNING


Could be something as simple as a dirty fuel filter.
Get a can of quick start at the store and have someone start it up, when it wants to die squirt a shot into the intake ... if it runs again for a bit you have a fuel delivery issue. Check the fuel pressure to see if the pump is functioning properly.

Mar 18, 2015 | 1997 Jeep Grand

1 Answer

1990 jeep wrangler runs rih won't stay running replaced map sensor and temp sensor


which engine,? the have up to 3 choices.
rih?
what are the full symptoms,
did you do the full listed 60k mile tune up on car?
sparkplugs,wire, cap rotor/filters? no engine runs right with bad spark
unless it's a diesel.
starts good
runs good or bad hot or cold engine
idle at 800 RPM hot?
stalls> when hot and cold engine
lost of power
bogging
misfire,
learchs>

only stalls , but runs perfect even up hills, at wide open throttle.
fresh gas, or 1 year old?fuel.
can your fast right foot , save the stall, and easily?

ok stalls 101.
1; lost 12vdc to EFI system.
2: lost engine compression.
3: lost spark.
4: lost fueling or floods
there is a simple test for each.
do you want more guesses, or how to do tests.
can do both, but my guessing fails 99 /100 times.

tune it up
do the right foot test. those are always first. on stalls.
always.







Feb 05, 2014 | Jeep Wrangler Cars & Trucks

1 Answer

I have a 2007 Suzuki xl7. When I first start down the road it seems to drive fine but within 1/2 to 1 mile it starts running very rough, leaping along. This goes for about another 1 to 3 miles. It runs...


ok and XL 7 but what engine options. gas, diesel, 2L , 2.5L?
what?
and most important , and never ever 1 time stated on this forum
what country.
leaping?

im not sure what you are saying.
it runs ok cold, and as it warms , the engine. it stalls.?
and what does same thing mean.?
my guess, it starts fine then stalls; hot.
but can you save the stall?

stalling is complex. can be many systems in the car.
but can be broken down to :
Ever did the 60k mile tune up,ever? if not why not.
never skip 60k\'s or the motor will run like garbage.


1: lost electrical power. to EFI .
2: bad engine, in that when it gets hot , it loses compression.
3: lost park. 1 or more cylinders, 4 or 6 you never said.
4: bad injection. 1 or 6 of them, flooding or starving.
5: bad fuel.
6:EGR sticking , usually this happens just before a stop sign.
7: if the stall was a bog and the fast right foot saved the stall, easy
the ISC is sticking closed.

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Stalls, runs rough


your choke is sticking

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Engine stalling in stop & go traffic


sound like to me you have a clogged catalytic converter

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2002ford truck explorer when i frist start my truck it will stall out a few times then wiil run good for awhile then for some reason stall out 3 or 4 times some times i can drive for 150 miles with no...


it sounds to me that you idle controll valve isnt responding (could be dirty) get a can of carb cleaner and clean the thottle body inside and with the engine running. squirt just a little and the engine will start to stall and the idle air controll will start to open ( you will hear it start sucking) then spray more in sperts try to keep the engine running at idle . this will make the engine RPM's change and open and close the idle controll valve thus cleaning it. when done save some carb spray. put the air cleaner hose back on. and start the engine and with the engine idling spray around the intake and base of throttle body if the rpms change you have a vaccume leak than will need to be repaired.
good luck
tech rating 3

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