1990 Jeep Wrangler "check egr valve 4 liter" Questions

...valve make sure its got vacume and that its functioning, they do get carboned up and quit working that will make it bog down. Also if that is not an issue, i would chk. fuel pressure, just to make ...

...Insufficient. Diagnostic code received from a Launch C Reader Generic OBD-II tool on 2002 Ford Ranger 6 Cylinder 4 Liter Engine What do I check for & How do I fix this problem ? ? ? New EGR ...

...egr valve solonoid, vacuum lines, plugs and wires have all been changed. strong gas smell at exhaust, engines runs very poor, has a knocking sound when excellerating...getting about 4-5 miles per ...

...Check the EGR Vacuum Modulator: Ensure the EGR vacuum modulator is functioning correctly. Examine the EGR Valve: Inspect the EGR valve for any signs of damage or malfunction. Inspect Vacuum Hoses: ...

...when he replaced the engine and cut corners to save $2.00. I found he had installed the EGR bass-ackwards causing my check engine light to stay on and the engine always to miss. Engine runs GREAT ...

...also is there anyway to refurb. the starter on this model without having to buy a new one? check all of the vaccum lines and the one behind the throttle body and the EGR valve and the vaccum

...egr valve is good, check the circuit for 25-30 ohms. If ohm is very low or too high, it may be a wiring or ECM Problem. If ohms are good, then egr valve is faulty, leaky, or stuck Let me tell you now ...

EGR VALVE,, BELOW HOUSING, THIER ARE OPENINGS GENTLY, USING FINGER, INSERT IN OPENING, PUSHUP ON DIAGHRAM, WHEN YOU RELEASE FINGER IT SHOULD RESEAT AND SEAL,LISTEN TO ENGINE OPERATERTION FOR VARIATION

...that is quite common is the EGR valve clogging up. Not sure if this is relevant to a 2001 model but worth checking out. Electricial cleaner is the best to use I have found. hope this is of some

...egr code,next is your coil,this may be caused by the computer or your crank sensor,look at the tone ring that the crank sensor uses and make sure its not missing teeth or broken,also check all your ...