Why does my car run rough on cold start?
Why does my car run rough on cold start?
But on a cold morning normal exhaust can look the same way for a few minutes will the vehicle warms up. The fact that your problem goes away when the engine warms up could mean the problem is in the Cold Start Injector circuit. The injector could be clogged, the CSI relay could be bad, etc. You can do it yourself, but I wouldn’t jump to that yet.
Why does the exhaust smell sweet on a cold start?
If you have a blown HG and are burning coolant, the exhaust will be white and smell sweet. But on a cold morning normal exhaust can look the same way for a few minutes will the vehicle warms up. The fact that your problem goes away when the engine warms up could mean the problem is in the Cold Start Injector circuit.
Can a lack of spark timing cause an engine to run rough?
Lack of proper spark timing can cause a different problem: one or more of the cylinders may misfire. That is to say combustion may be disrupted. You will feel, and maybe hear, this as a brief stutter in the engine. You might feel that the engine runs rough or vibrates at idle, say, when you’re sitting at a red light.
Can a bad crankshaft sensor cause engine to run rough?
You will feel, and maybe hear, this as a brief stutter in the engine. You might feel that the engine runs rough or vibrates at idle, say, when you’re sitting at a red light. This is similar to the above in that it stems from poor spark timing. As seen with rough idling, sometimes crankshaft position sensor problems are worse at low engine speeds.
When does a truck run rough on a cold start?
It generally happens in the morning or when the truck has sat for a few hours. It starts just fine, but shakes and idles rough untill I press on the accelerator, then seems to run/idle just fine. I have repalceded fuel filter, plugs and cleaned the MAF and IAC at regulare service intervals. One last note, I may be loosing coolant.
What causes rough idle on a cold start?
I have been experiencing random rough idle on cold start. It generally happens in the morning or when the truck has sat for a few hours. It starts just fine, but shakes and idles rough untill I press on the accelerator, then seems to run/idle just fine. I have repalceded fuel filter, plugs and cleaned the MAF and IAC at regulare service intervals.
Why does Ford 7.3 Powerstroke run rough misses intermittent?
Runs rough misses intermittent – YouTube Ford 7.3 Powerstroke. Runs rough misses intermittent If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
If you have a blown HG and are burning coolant, the exhaust will be white and smell sweet. But on a cold morning normal exhaust can look the same way for a few minutes will the vehicle warms up. The fact that your problem goes away when the engine warms up could mean the problem is in the Cold Start Injector circuit.
