Sorry for the late response. Losing antifreze the check engine light came on the day I took it to the garage. Any of these can cause the pump not to build the required psi. Posted on Jan 31, 2010 You need a diagnostic box to tell you what the problem is. This could be the result of a defective vacuum pump, switch, a vacuum leak or a blockage and probably a lot of other possibilities.
It will have a plastic or steel line with a rubber hose juction in a couple of places. Please check below for your specific P1494 code. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? The leak detection pump has a hose coming off the carbon canister and engine vacuum line. There are two types of evap hoses on the Dodge. . Twice now my 2002 Dodge Dakota has generated the P0442 code. And lets face it, if the service engine light is on then you need it now! Good luck Sep 09, 2008.
Cut off new plug end and replaced with old plug end. And the gas cap looked fine to me also but I said ahh hell i'll spend 10 bucks and get a locking one anyways. If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off. In most cases you can clear this and it won't come back-also, check your gas cap, it needs to seal the system, if it is loose or leaks, it can set this code.
Anyone see one of these before? It shouldn't hurt anything to keep driving it for a while until you can get it fixed. If they have any half assed idea what they are doing it really isn't that hard to fix, probably. The first step in the repair process was replacing the gas cap with a cap from the dealer many articles suggest that it is best not to use an aftermarket cap. However, also includes disassembly instructions for interior trim panels and exterior items like headlights and tail lights. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.
So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. When the evaporative system begins to pressurize, the pressure on the bottom of the diaphragm will begin to oppose the spring pressure, slowing the pumping action. When your car's 'Dodge Dakota P1494 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. Question: I have a 97 dodge ram 1500 5. The truck runs, but the check engine light is on. Question: I have a 2000 Dodge Dakota 4wd quad cab 4. Now don't ask yourself; What should you do with P1494 code? Question: I have 1997 dodge dakota v6 over a 100,000 miles.
Fuel vapors are temporarily held in the canister until they can be drawn into the intake manifold. The rubber hoses will crack and leak and could be the cause of your problem. Battery disconnection usually erases any stored fault codes, so it's just letting you know that there are no fault codes stored because the power was disconnected and the engine hasn't been run, as opposed to there being no faults to record. Below you will find the most complete list of Dodge trouble codes available. But first it will go under the air cleaner housing. Faults cannot be detected and recorded until the engine runs. I'll go out today and check all the connections.
The spring is now able to push the diaphragm down. It seems to me that the code reader is not able to connect to the Durango's computer. This is the oxygen sensor that is located just past the catalytic converter on the driver's side and measures the oxygen level after the exhaust has passed through the catalytic converter. So you should chech it on our car models. A faulty gas cap seal can also cause this.
Could even have over filled the gas tank,that would give you an engine light. In other words, the battery has been disconnected recently. What do I do to determine what is wrong? If you need to dig into your doors, dash or console, Alldatadiy. Plus, they contain full trouble code descriptions and troubleshooting instructions. The most common fix is to check and replace the fuse as necessary.
This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time. I couldn't get to it myself, so ended up taking it to neighborhood garage. In other words, the battery has been disconnected recently. If this is all you get then no error codes are stored in the computer. I just happened to stumble on it myself.
I'm thinking it's a vac line, gas cap seems fine and I had the problem after I put the engine back together. If the reed switch changes too quickly, a leak may be indicated. But retrace your steps to make sure you didn't knock any lines loose. Thanks any information would be helpful - Paul, September 2008 Answer: Hi Paul. The vent valve is held open by the diaphragm. Then you might want to look for a short between the battery and the engine control module. A disconnected damaged or missing vacuum hose is the most likely cause always refer to your Vacuum routing hose Diagram attached to your Radiator Support to see if the hoses are hooked right.