Question about 1990 Dodge Shadow

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ENGINE RAN "HOT" for 90 minutes; coolant ok. Could it be fuel pump?

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More likely the water pump or thermastat

Posted on May 05, 2010

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1997 grand marquis wont restart when cold


change air filter and fuel filter clean fuel injectors.faulty coolant temperature sensor will cause cold start problems.

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1999 astro/4.3L/starts cold /runs 10-15 min. then dies will not start hot new battery.new coil/clean filter/pump 2 yrs old installed new/battery shows 14 amps when running/ won t crank when hot either/...


car shuts off when it gets to normal operating range. it takes 10-15 minutes to reach normal range. causes: low coolant, failing coolant tempurature sensor, air in water pump, check the coolant temp. sensor. if it is bad it will send wrong info to engine when hot, and shut it down. ITS WORTH A TRY!! good-day!

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Running hot temp gets to 220 and above.often shuts off while driving when foot is off the gas pedal,also sometimes will not start unless pressing the gas pedal.problem 2 started after i just about ran out...


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

===

Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

Nov 12, 2009 | 1995 Cadillac Eldorado

2 Answers

Car was running hot. found out water pump was going bad, replaced that. tempeture guage still not working properly and my heat is not getting hot


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BEKIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

===

Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat2_bing.gif open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may bepartially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do ahydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

Oct 10, 2009 | Oldsmobile Cutlass Supreme Cars & Trucks

3 Answers

1998 bmw Z3 running hot replaced thermostat and continues to run hot replaced aluminum engine 10 months ago,with cast iron engine with 68,000 miles


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

===

Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

===
Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

Oct 03, 2009 | BMW Z3 Cars & Trucks

1 Answer

Engine light comes on and wont go faster than 90 kms per hour back speed off and light gos off


the engine light is a run safe feature. it could meen low oil, fuel blockage, low coolant and, if diesel, water in fuel filter.
Check all levels, and if ok, it colud be something more serious like oil pump, water pump or oil filter.

Sep 26, 2009 | 2003 Isuzu Rodeo

2 Answers

Running hot


If you are loosing antifreeze with no apparent leak you may have a serious internal engine problem and should seek professional help. Stop driving the truck until you can have it looked at. If you are not loosing any coolant, then Service the cooling system. Drain and slush the radiator, replace the thermostat, clean the radiator fins, pour in a 50/50 mix of antifreeze and distilled water, and bleed all air from the system. Inspect the water pump to see if it is pumping correctly.

Sep 02, 2009 | 2004 Dodge Ram 1500

1 Answer

1993 Buick LeSabre surges and almost dies intermittently


Check fuel rail pressure.

Add fuel to beyond 1/2 tank.

A weak fuel pump do not like to ran low on gas.


When was the last gas filter and fuel pump change?

90-120,000 miles is the typical change out.

Fuel pump like to quit on a HOT day.

Test the pressure and see is it within specification.


Good luck


Jul 08, 2009 | 1993 Buick LeSabre

2 Answers

Stalls / Dies / dead


this engine fuel pump prassurae low. it fuel pump celan. Your problem sovel

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