Questions & Answers for: rough idle 2002 ford ranger

2002 ford ranger 4.0v6. fuel economy loss, rough idling, surges, loss of power. will replacing the EGR valve help this? Burnt valve problems. Get header work performed.

...rough. When i am at a light or in park, it idles high then low, high then low. What can it be? does car have engine codes? sounds like your idle air controle valve is sticking. or possible egr ...

2002 ford ranger 4x4 4.0 v6 engines codes read lean on both sides. engines idling rough and already changed MAF sensor but didnt use ford parts. any suggestions? have you check the fuel pressure?

rough idle. I changed the spark plugs but it continues. It idles ok in park but when I put it in drive it gets rough. It also has a hard time driving down the road. there is several problems with this

...rough idle more than 135,000 miles, last tune up was more than 3 yrs ago, battery is 3 yrs old and infrequent oil chnges, motor skakes a bit while idling...what is the first thing i should check ...

ford ranger check engine light is on and engine is idling very rough Have the engine codes scanned. Most auto parts stores will scan the codes for you.

ranger problems check engine light on and idling very rough check engine light is on and idling very rough? run fault codes and check for O2 sensor problem and MAP/MAF sensor problems. If it is ...

...rough idle Jul 27, 2007 1997 Ranger Misfires May 31, 2007 More results from www.topix.com Part 1 -How to Test a Misfire Problem (Ford 4.0L V6) troubleshootmyvehicle.com > Ford > 4.0L Dec 19, 2013 - ...

...rough idle - Discussion on Topix www.topix.com > Ford Ranger Jul 27, 2007 - My truck is giving the code misfire in number 4 cyl. I replaced my spark plugs, Wires, Coil packs (both of them) and all my ...

...runs great but rough idle P0171 FORD - Fuel Injection System Too Lean Bank 1 https://www.autocodes.com/p0171_ford.html P0301 FORD - Cylinder 1 Misfire Detected ...