Not sure what the problem is
New crank shaft ,new spark plugs, new gas pump. there is Current in injectors, time belt is well. it cranks but doesn't start, has gas, electricity works, but does not turn on what can be the problem?? Toyota Corolla 98 engine 1.8
My car has 133000 miles.
My car has an automatic transmission.
Experienced mechanics share their insights in answering this question :
Hi there – first thing to check is what problem codes, if any, are being set – whether the Check Engine light is on or not. This will guide you to the real problem, rather than simply swapping in new parts. Back to fundamentals – is there spark while the starter is turning the engine over? If so, spritz a bit of starter fluid into the air cleaner and attempt to start the engine. If this causes the engine to start momentarily, then stall, you have narrowed the problem to a fuel supply issue (bad fuel pump relay, clogged fuel filter, fuel pressure regulator problem, etc.) For some additional help with this diagnosis, I would recommend having a Car Is Not Starting Inspection completed by a mobile, professional mechanic who will come to your location, such as one from YourMechanic, to diagnose this problem, get an accurate assessment of damage and cost estimate for repairs.
How to Identify and Fix Common car Problems ?
Our sources include academic articles, blog posts, and personal essays from experienced mechanics :
Spark plugs ignite the air-fuel mixture that`s injected into the cylinders. For spark plugs that don`t spark dependably, it will cause an engine misfire that robs you of performance. Cracked porcelain insulators and worn electrodes are the common issue. If more than one spark plug fails, your engine may not start.
Most commonly, its caused by a fuel pump that`s not working. The fuel pump fuse may have blown, or the fuel pump itself will need to be replaced. Alternatively, this problem could be caused by a leak in the fuel lines, clogged fuel injectors or a bad fuel pressure regulator.
If your spark plugs are degraded or malfunction completely, your car can fail to start. If this is the issue, turning of the key will result in clicking but you will not hear the car trying to start up – it simply cannot, because the fuel is not being lit.
When your engine cranks but won`t start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. The most common causes are problems in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter).
If the ignition coil does not have spark, it`s time to check its wires. Use a test light to check the continuity on the signal wire and power wire on the ignition coil. If both wires are functional but the coil fails to produce spark, the ignition coil or the ignition control module is bad.
Hard start symptoms and starter failure may NOT be caused by the starter, but could actually be caused by the crankshaft position sensor. If your vehicle is experiencing one or more of these symptoms, the crankshaft sensor may be at fault.
A Bad Crankshaft Position Sensor
The crankshaft position sensor monitors the position and rotational speeds of the crankshaft. Without the crank sensor, the engine control module (ECM) wouldn`t know when to fire the fuel injectors and ignite the spark plugs.
Car is not starting
A faulty ignition coil can also lead to a no-start condition. For vehicles that use a single ignition coil as the source of spark for all of the cylinders, a faulty coil will affect the operation of the entire engine.
Why won`t my car start but I have power? If you attempt to start up your car but the engine won`t turn over and the dashboard lights up, then you most likely have an issue with your battery. You could have a damaged or corroded battery terminal, which is stopping the engine from starting up when you fully turn the key.
Fouled Plugs: Spark plugs create the spark which allows the vehicle to burn fuel. Fouled plugs are one of the most common reasons for a hard starting engine. As electrodes wear down, the voltage required to jump the gap to ignite the fuel increases. This can lead to prolonged cranking before the engine will start.
Relevant Questions and Answers :
the most relevant questions and answers related to your specific issue
Electrical or transmission problems with Hummer
Hi there. This vehicle is known for having a history of electrical issues. From the symptoms you are getting it sounds like a bad ignition switch or a failing body control module. Most of the time it is the ignition switch. When it fails internally it causes these systems to act up almost like the key is being turned off and on. This can be diagnosed with a voltage meter by doing a voltage drop test on the switch. If the switch is fine then the body control module will need to be replaced. If this is something that you want to have diagnosed, consider YourMechanic, as a certified mechanic can come to your office to inspect your electrical problems.
While diriving my 2017 honda civic my dash displayed powered steering (eps) problem, what does this mean?
Yes, all of those issues should be checked out, especially as the warning lights involve key vehicle safety systems like the steering system. Your vehicle is under warranty as it is brand new. You should bring the car back to the dealer and have them resolve the issues at no cost to you. If the issues recur, be sure to follow up, as needed, and if the issues are not permanently resolved, in a reasonable number of visits to the dealer, keep in mind that very specific, and very protective (of the consumer) state and Federal Lemon laws apply to new vehicles. I mention all this because you are driving a brand new car and yet all these warning lights have appeared. That’s not an expected outcome and thus you should follow-up promptly and make sure this gets fully and thoroughly resolved. If you have further questions or concerns, please do not hesitate to re-contact YourMechanic as we are always here to help you.
Start problem with good crank.blown head gasket.
In most cases, the symptoms of white smoke and needing to add coolant frequently mean you have a blown head gasket. It can cause inconsistent starting problems as you’ve described, but it’s also possible that the crankshaft position sensor is also damaged. Changing a head gasket is a rather expensive repair, but using "bluedevil sealer" will not solve this problem. You might want to have a professional mobile mechanic complete a car is hard to start inspection to determine why your Altima is having this issue.
I was already having transmission problems. Will constant use of Cruise Control further deteriorate it? Will it cause CC problems?
Hi, thanks for writing in. The cruise control uses some of the same sensor inputs the transmission uses and can indeed affect the transmission and cruise control. If the transmission is slipping then the cruise control may not control the speed steady. Have the transmission problem diagnosed and fixed then see if cruise control problems go away.
Transmission problems and the car is pretty new
The transmission on your car has electronic controls and shift solenoids which control gear changes. I suggest getting a thorough test on your transmission to determine possible causes of the failure before overhauling the transmission. The computer should be scanned for codes and all wiring should be checked. Check the transmission fluid for signs of being burned or contaminated. The transmission cooler and lines should also be flushed out. Since your car is not drivable, contact YourMechanic to check the transmission and get a diagnosis so you do not replace the transmission if only a solenoid in the transmission is bad.
i need your help my wolkswagen 2005 doesnt want to lock 2 doors… i’m not sure if it’s a fuse problem.. when i press the lock but
If the driver side doors are the only ones that unlock when you press the power lock button, then it’s more than likely that you have a damaged main power lock control module or electrical relay to the passenger side doors that’s causing this issue. However, to be certain that you get the right repairs completed on your Volkswagen, you might want to have a professional mechanic complete a power door locks are not working inspection first.
System Emissions Problem
Hey there. With the vehicle being brand new, typically there is a warranty and you can take it back to the dealership. The sensor may have failed. If resetting it had an effect on the light, then that means the same issue has triggered again, or the sensor was faulty to begin with. The catalytic converter would be a concern if the warning light indicated a code pertaining to the lower oxygen sensor.
The best way to tell is to have the vehicle scanned for the codes that have set the warning light off. The components related to the codes would be the first components to test is possible. Any warning light should be taken seriously. However a Check Engine Light would indicate a more serious issue.
Leak in window
Hi, thanks for writing in. The rear window may not have been sealed properly when the window was installed. The sealer may have not stuck to the glass completely, causing the leak. You will need to have the glass removed and resealed properly. The glass should be taken out and resealed by an automotive glass company. They may not be able to remove the glass without it breaking and would need to replace the glass with a new one. Hope this helps and best of luck.