Q: Have code P0174, did smoke test smoke comes out EGR valve. Does that mean it's bad? 2004 Ford Ranger
I have code 174 did smoke test smoke comes out of top of EGR valve when cold engine does this mean it's bad
My car has 252000 miles.
My car has an automatic transmission.
Recommended Services
| Car idle is rough Inspection | $94.99 - $114.99 | Get a Quote |
Hi there - smoke coming out of the EGR valve simply means the valve is either leaking, or stuck in the "open" position. The P0174 code indicates a "lean" condition too much air/not enough fuel on the bank of cylinders that does not contain cylinder 1 (Bank 2). A leaking or open EGR valve could cause this problem, as would any other air leak into the intake system. For further diagnosis, I recommend a rough idle inspection performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, and give you an accurate assessment of damage and cost estimate for repairs.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
Get an instant quote for your car
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
What others are asking
Belt squeaking.
A stretched belt or a faulty belt tensioner are the most likely causes. I would recommend having the tensioner checked (https://www.yourmechanic.com/services/loud-squealing-or-squeaking-is-coming-from-timing-belt-inspection) first by a YourMechanic technician. If the tensioner seems to be working properly, the belt is the next likely...
Car hard to steer and feels like it is dragging something.
Hello, from your description is seems like the vehicle is possibly dragging something. Your best option is to get the aid of a mechanic to take a look and diagnose what's going on. (https://www.yourmechanic.com/services/brakes-steering-and-suspension-inspection)
Broke my alternator wire
You will need a heavy duty set of crimping pliers, a butt connector or terminal, and possibly a short section of wire. I would assume the wire is about 4 gauge in thickness. Take the broken piece to an automotive...
clarinet noise 80 mph
Hi, there may be too much air coming through the cabin air filter inlet located in the engine bay, and the turbulence of it causes the clarinet sound. I suggest that the condition of the cabin air filter (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-cabin-air-filter) is...
Where is the camshaft position sensor located on a 2005 Saturn ion 2.2l?
Hi there, thanks for writing in. This engine does not have a camshaft sensor, but uses the ignition module to detect when cylinder number 1 and 3 are at top dead center using the coils internal circuits. You may need...
Trunk won't open with seat latch
If you normal trunk release will not work to release the trunk then you will need to access the trunk through the rear seat back by removing seat. Once seat back is removed you can access the latch manual release...
Won't start and has spark, 49 psi in fuel pressure, and it ran when I parked the car. Why won't it start?
Hi there. Check the starter and see if is clicking when you turn the key. If the starter is clicking, then either the starter relay or the starter solenoid is not working. If there is no click and the starter...
RPM not increasing Yanmar 6LY2A -STP
Hi there - there are a couple of possibilities here for the "won't get to engine max revs" condition. This engine has a governor, set at 3,000, and a malfunction of the governor could be limiting RPM. It's also possible...
Car starts and runs . When I first start it I get fuel intake and plenty of RPM but if I put it in gear no movement and no RPM
It is possible that you have an electronic throttle body that is malfunctioning once the vehicle is put into gear. It is also possible that there is an issue with the transmission itself. I would recommend having your transmission inspected...
Related articles
A Buyer’s Guide to the 2012 Ford Focus
The The 2012 Ford Focus brings a lot to the world of compact cars. Available as either a four-door sedan or a five-door hatchback, the Focus has great fuel efficiency and European styling that sets it apart from other cars...
Symptoms of a Bad or Failing EGR Vacuum Modulator
Common signs include engine performance issues, the Check Engine Light coming on, and failing an emissions test.
How to Replace an Exhaust Gas Recirculation (EGR) Control Solenoid
Exhaust gas recirculation (EGR) systems are controlled by the EGR control solenoid, which is controlled by the powertrain control module (PCM).
Browse other content
Maintenance
Estimates