Question about Cars & Trucks
I have a rough idle and some times a flat spot, we have checked the spark plugs coils and i don't know wharf else bmw put it on the system tester but there is no errors. the rough idle is worse in D but is a bit better in N AND P the car stals most of the time when i reverse
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Posted on Jan 02, 2017
i have had the same problem at times. my car would start and then shut off. but i found that i needed oil and check my oil and it was a quater low put in some oil and everything went fine i notices that everytime the oil is low the same thing happens also depending on the position of the car being park meaning that if you are in a down hill position or up hill position i will do the same. so you have to accelarate for 1 minute to have the oil go up. i hope this works
Posted on Jun 18, 2009
id clean the throttle body before spending more money on anything else, as carbon build up can cause rough idling.
you can clean it with throttle body cleaner, or just gasoline and a toothbrush, then wipe off the build up.
Posted on Jun 29, 2009
Often, on the Escorts of this vintage, rough idle can be due to a leak in the vacuum system. With the engine running, listen closely for any tell-tale hissing sounds coming from any of the vacuum hoses. Check that they are all securely in place and the end-clamps are all tight. Also check that the PCV valve and the hose connecting it to the manifold are securely in place. Another possibility is the Idle Air Control (IAC) valve. If it is clogged or sticking, it can cause rough idle. Refer to a service manual to diagnose the IAC valve. Other things to check: make sure that the air intake is unobstructed and clean. You might consider cleaning the manifold and throttle body. Check the air filter and replace if necessary. Let me know if you have any other questions.
Posted on Apr 02, 2010
I suggest to get the codes checked so you're not chasing a moving target. You'll need to look online - check out the Ranger/Explorer forums - or get the Factory Service Manual (FSM) to get the technical info you're requesting.
Posted on Aug 07, 2010
I have a 2001 Taurus with a misfire in #2, I've already replaced all the plugs, wires, and the coil. I did a professional fuel injector cleaning at a well-reputable shop, I then had that same shop spend a day and a half to diagnose it, and it turns out that it is a sticking valve in that cylinder causing the misfire, have them test the compression off and running to see if that's the issue.
Posted on Apr 25, 2012
Tips for a great answer:
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Car not starting or turning over indicates towards multiple possibilities.
It can be issue with battery or weak battery. But if battery checks out ok, then
it can be starter issue or faulty alternator or problem with low fuel pressure
or no spark at spark plugs due to dirty spark plugs or faulty
ignition coil or injectors getting cracked or dirty and needs to be cleaned.
To confirm the problem, the basic troubleshooting is required.
Click this link below and follow the troubleshooting:------
This will help.
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