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Can vapor lock in the cooling system cause the engine to not spark and through off the camshaft sensor on a scanner in a 2001 dodge dakota sport 4.7 L v8 magnum manual transmission

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  • Cars & Trucks Master
  • 21,873 Answers

No.
To begin with, there is no such thing as vapor lock in the cooling system. Vapor lock is when liquid gasoline vaporizes due to excessive heat. If the engine got hot enough to turn coolant into vapor the engine would seize up.
Do you have trouble code numbers ?

Posted on Jul 29, 2013

  • matthew pitts Jul 30, 2013

    no i dot have the code but my coolant hose blew all over the engine and got into the computer i dont wanna buy a computer beacause i dont have the money and my cousin was telling me to bleed the coolant system with idk wat it has to do with not gettin spark coolant aint eltrical nd it jst keeps throwing out a code for camshaft sensor nd i replaced it twice still no spark same code turns over jst dont start

  •  Stephen
    Stephen Jul 30, 2013

    Coolant can short out the circuit board inside the computer. Moisture carries electricity. You could try a used computer but it may need to be flashed to your truck specs.

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SOURCE: 2001 dodge durango v8 4.7

It is acually called the vehicle speed sensor I do believe. It should should be located on the top of your transmission with a wiring harness attached to it. It should also have 1 bolt holding it in also. Whatever you do, do not rotate the gear when you remove it. Try to mark the exact way it came out when you replace the sensor. When you pull the sensor out it will have this gear attached to it which will need to be placed into the new sensor and put back into the vehicle in the same way it came out or you will throw a code and it will not be pretty. Good luck, hopefully I didn't scare you it can be a simple repair just mind your P's and Q's.

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I have a 2000, there is a speed sensor located in top of the rear axel and I believe another on the tranny housing. Try the rear axel first.

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SOURCE: Where are the spark plugs on a 2001 Dodge Dakota 4.7L V8 ?

EACH PLUG HAS ITS OWN COIL ITS HELD IN BY A # 11 OR 12 METRIC NUT ON TOP OF EACH CYL. BETWEEN EACH INTAKE RUNNER , EACH ONE HAS A ELCT. PLUG TO THEM UNHOOK THE PLUG AND REMOVE THE HOLD DROWN NUT AND PULL OUT THE WHOLE TUBE THAT GOES DOWN TO THE SPARK PLUG. YOU MAY HAVE TO TAKE OFF THE PLASTIC COVER ON TOP OF THE PLEMTEM WITCH IS HELD ON BY SNAPS, JUST GRAB ON TO IT AND PULL AND IT WILL COME OFF.

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SOURCE: slow start 2004 dodge dakota v8

P0038 typically indicates O2 sensor failure or possible grounding out if the cabling to it has failed. Start with that as it is easier to replace than all the plugs/coils etc. Reset the code and cross your fingers.

Posted on Jun 17, 2009

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2001 Dodge Dakota Sport, will cold start but after running for 15 min or so will not start until engine cools. Engine will turn over but not fire


Check for spark , probably a crank sensor problem . Check videos on youtube on test crank sensor . Some sensor is breaking down when it gets warmed up .

Mar 19, 2017 | 2001 Dodge Dakota

1 Answer

2001 Durango 4.7l. Can there still be spark at all the plugs if the PCM is faulty?


This may or may not be the cause, On the 4.7L V8 engine, the Camshaft position sensor failure can cause the engine to crank but not start or it can cause intermittent stalling. A new camshaft position sensor will be needed. God-Bless! Please go here to read more on this. Dodge intrepid.net

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Will fire ,but will not turn over


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1 Answer

2001 dodge dakota sport with 2.5 engine idles high when I start it up, continues idling high, when pushing clutch in to change gears it idles extremely high


Does it do it if you disconnect the idle air control valve ?
You need to know if its a vac leak or if the computer is making the valve open too far.

Feb 09, 2014 | 2001 Dodge Dakota

1 Answer

My 2001 dodge dakota sport 4.7 L v8 manual transmission blew the top coolant line i had to drive it to auto zone and it started stalling now it wont start the coil packs are getting power the plugs arnt...


sounds like you blew your head gasket and your spark is getting to wet to fire. try a compression test to see if your head gasket is still good.

Jul 30, 2013 | Cars & Trucks

1 Answer

I have a 1990 dodge dakota sport with a 2.5 it stalls randomly and wont start until it sits for a few minutes. when it does die i still have fuel but no spark. all ignition parts have been replaced i.e....


Every engine has to have a way to know where the cylinders are and thus when to fire the spark plugs. Since your engine does not have a crankshaft sensor, the only means that the onboard computer has to know where the crankshaft is would be the sensor in the base of the distributor. This sensor monitors the position of the camshaft and thus can ascertain the position of the crankshaft as well. This, or the computer itself is the most likely culprit if you are failing to get spark.

Apr 29, 2013 | 1990 Dodge Dakota

1 Answer

Could this be a vapor lock problem?


If you haven't done so already, you would need to find out what is missing when it won't start to proceed.
Does it have spark to the plugs, fuel to the injectors, and so on.

Sep 04, 2012 | 2001 Dodge Intrepid

1 Answer

Could this be a vopor lock problem?


i have not heard of fuel injected vehicles vapor locking, best thing to do is have it put on a scanner, it is far cheaper than changing a lot of parts.

Sep 04, 2012 | Cars & Trucks

1 Answer

My 2000 Dodge Dakota turns over but wont start. I replaced the spark plugs and Rotor that didn't help. I poured gas into the fuel injectors to see if it would start it did not.


Hi,

Improve the Fixya.com experience for everyone by voting!

This is how your problem is solved in my shop. Out of the box, I'd say that you have a problem with the fuel management system. However, there's a good chance that it's something simple and inexpensive like a clogged fuel filter or water in the fuel tank.

First a little background for your edification. You may be aware of all this but we've never done business before and all assumptions are off the table.

For an engine - make that any engine and irrespective of manufacturer - to run, you need three things to happen inside the engine, compression, fuel and ignition, without any one of these components the engine will not run.

  • Compression - Engine compression caused by crankshaft rotation and pistons moving up and down inside the engine block. If the timing belt or timing chain fails it will cause the camshaft to become out of correlation with the crankshaft or allow the camshaft to stop rotating. Either of these conditions will cause the engine to lose compression and sometimes cause internal engine damage.
  • Fuel Delivery System - The fuel system includes: fuel pump, fuel injectors, pressure regulator, fuel filter and pressure lines. This system is used to supply fuel under pressure to the fuel injection system, the lack of fuel pressure or volume will cause the fuel delivery system to fail and the engine to stall or not start.
  • Ignition Spark Delivery System - The ignition system components include: spark plugs, spark plug wires, distributor (if applicable), crankshaft angle sensor, camshaft angle sensor, ignition coil, ignition module, knock sensor and PCM (powertrain control module). The engine relies on the ignition spark to be delivered to the combustion camber at the correct time. If the ignition spark stops or is delivered at the wrong time the engine will not run or run poorly.

If Your Engine Cranks but Does Not Start, runs rough, staggers, sags or cuts off, follow this Troubleshooting Guide. Some of these steps require a code scanner. They are costly but AutoZone will loan you one for FREE.

Most vehicles operate by the same principle; basic troubleshooting procedures apply to most cars.

  • Step 1: Anytime you have a problem with electronically controlled components such as an engine, transmission, ABS brake, or SRS (supplemental restraint system, Air Bag) inspect all fuses using a test light and check the under hood power distribution center and under dash fuse panels. If all fuses test okay continue to the next step.
  • Step 2: To check for problems with electronically controlled components such as an engine, transmission, ABS brake, or SRS (supplemental restraint system, Air Bag) and the fuses test okay a trouble code scan is needed to identify any system trouble. Use a simple scanner tool to retrieve trouble codes and see if they relate to the specific problem, like a crank angle sensor failure code. If the trouble code present does not pertain to the immediate problem like an EVAP code ignore it until a later time, after the car is running.

The reason we repair non-related codes after the engine is running is because sometime false codes can be triggered by the engine not running. Once the engine is running again the code present might cycle and turn itself off. You might say "if the engine doesn't run shouldn't it have a trouble code?" Sometimes conditions occur that will not be detected by the computer, example: if the fuel pump fails the computer cannot detect the failure, so the engine doesn't start and the computer thinks everything is okay with no codes. If no trouble codes are present proceed to the next step.

If you have trouble using the code scanner or interpreting the codes click on the following link and use my access code (carrepair): Free Automotive Repair information for Users of a Code Scanner

All the best


Ben

Jun 06, 2011 | 2000 Dodge Dakota Quad Cab

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