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mark chirasello Posted on Oct 24, 2012

An engine swap was done on this 85 rag top couldnt get it to start so put carb on it now it starts but wont stay started help?

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dale

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  • Posted on Oct 15, 2013
dale
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Anonymous

  • 674 Answers
  • Posted on Aug 26, 2008

SOURCE: Ford F250 Superduty Diesel Will not start

the crank position sensor on the front of the engine has been the most problematic parts. that is where i would start

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Anonymous

  • 182 Answers
  • Posted on Sep 12, 2008

SOURCE: engine wont start

Is it desiel,if so are the glow plugs working

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Oct 14, 2008

SOURCE: 2000 Ford Expedition wont start

On the engine there is a tube that supplies fuel to the fuel injectors, on that tube there is a valve, like a metal tire valve, this is the fuel pressure test port, you will need a special guage to check the pressure that screws onto that valve, Kragen and other parts stores sell this test kit, it is very inexpensive, about $20.00, but cheaper than having a shop do it for you, if you do the test and you have no pressure while cranking the engine then your fuel pump is bad, the pump is in the gas tank, a big job and dangerous due to chance of fire if you are not cautious.

Anonymous

  • 324 Answers
  • Posted on Feb 20, 2009

SOURCE: 1966 mustang engine cranks but wont start

Guide to starting a dead horse!
1- Spray a little starter fluid down the carbuerator. If it tries to fire, your timing and ignition is probably OK. This could indicate a carb or fuel pump problem.
2- If it doesn't fire, check out the points, condenser, coil, distributor cap and rotor. Look for condensation inside the cap. Check that the high tension wire from the coil to distributor is in good shape and not touching the engine or any brackets,etc.
3- Verify that your timing is correct. You may have a timing train problem (Worn or broken).
4- The distributor may have come loose and changed positions. Check for proper timing.
5- It may be a compression problem. If it has set long enough for the oil that coats the cylinder walls to drain down, you won't have enough compression to allow firing. Check your compression and if this seems to be the case, remove the spark plugs and squirt a little Marvel Mystery oil, or similar light weight oil into each cylinder. When it starts, it will smoke for a few minutes, but that will go away.
Hope this helps and if not, get back to me.
Have a super day!
Ron


Anonymous

  • 4669 Answers
  • Posted on Mar 26, 2009

SOURCE: i have a 1992 ford f250 7.3l powerstroke it wont start up

You need to check the glow plug system. Check for power from the glow plug relay.

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Have 1999 vw jetta engine code c 2.ol 4cyl. just did a motor swap. same year same engine. turns over but wont start gets fuel to the rail and injectors but wont fire...if i hold a rag over it starts

if donor motor was a runner
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if fuel and spark is there
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if engine light is on has fault codes






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240 Volvo - Acceleration Problems

One fuel pump may have died. Either the in-tank pump or the in-line pump which is below the left rear passenger floorboard. I would test power to in-line pump first. You can start engine and have a friend lay down by the in-line pump and listen for it to churn/buzz/hum.
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Car wont start. Has spark, tried Carb Cleaner.

You may be weak on fuel pressure . even a couple of lbs low on a cold start will cause a no start.
Double check cold start cranking fuel pressure. If under 63-62 lbs you have problems.
one test is to give it a squirt of carb cleaner not starting fluid. If it starts then you have a fuel pressure problem.
Run the full fuel pressure test and post back pressures.
Here is the guide lines on testing.
Hard to start cold.
Check cold start fuel pressure.
Check engine running fuel pressure.
Check engine running on the road fuel pressure.
Then shut it off and watch for fast leak down.
Pinch off at rubber part or block off return line and check full pressure.
Later V6 and V8 gm engines should have 60-66 fuel pressure.
Cold start should be 64-65 lbs of pressure.
If you do not have full fuel pressure on a cold start the injectors will not squirt fuel.
Do not leave home without it.
Engine running should be 60-66 lbs pressure depending on engine load.
Full pressure with return pinched off should be 75-85 or more.
And if it has a fast leak down after shut off you have a leak.

The 75-85 is only a check on the capable full pressure of fuel pump.
If you can not find the rubber return line check full pressure by plugging return line or just or the true full pressure can be taken direct at the end fuel filter.
What are the pressure readings that you have done.
What are your cold start pressure readings?
Post back what you have. Good Luck

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Crank no start

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Renault laguna sports tourer 1.9 dci wont start

Try the relays under the bonnet fuse box 4 small black ones in a line, the first 2 from top cut of the fuel pump, and are a renowned cause of 85% of cranking without starting faults on the dci engine swap them over for the bottom 2 .
If it starts, buy 2 from Renault and fit
if the engine still fails to start the egr valve may be stuck closed starving the engine of air, its on the top of the engine at the air intake and has 3 bolts, remove it and clean it with carb cleaner then check its condition, if it appears ok, replace the cleaned one, if not you need a new one or the turbo will blow its seals and the engine will rev and burn on the engines own oil.
beyond this and your diy fixes are at an end without a obd2 code reader.
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