2002 Saturn Sl "egr passages cleaning" Questions

...cleaning done right. RE-SOAK the carbon and let it sit for over-night will also help. One the last round,pass a shop vacuum of the EGR valve and the passage pipe. Install the new EGR gasket and ...

EGR passages 4. Bad read from the MAP, or TPS, causing the PCM to misinterpret the EGR data based on faulty operational data from the other sensors 5. (Very rarely) A marginally "slow" O2 sensor. (PCM

I replaced the EGR on my 1999 saturn due to a P1404 code. After driving it for about a week code came back. The idle was not stable, this was the reason why I replaced the EGR. Now the idle is rough ...

...passages. On a car this old, replace the whole thing and clean off the old gasket residue before reinstalling your new EGR. I had an EGR valve not working properly, and I must disagree with the idea ...

...days the bad coolant sensor make the engine run rich and load up the system  if the egr codes return remove the valve and clean the passages from  the carbon build up use a coat hanger if ...

I have a 1999 Saturn SL2 that has a check engine light on and the code is P0401 I have checked the egr and had the passage way cleaned replaced the catalytic converter and map sensor whats next If ...

...trims show , is the computer adding or taking away fuel ? Are the O2 sensors switching normally ? EGR valve stuck open . When you replaced the IAC did you clean the passage ? On a scan tool what

...EGR valve was plugged, the passages were plugged also causing the pvc valve to fail and a clogged air filter. They cleaned the throttle body and were able to clean the egr valve installed a new pvc ...

engine check light, code 401 low egr vacum egr engine check light, code 401 low egr vacum egr and hoses seem ok . could this be caused by vac ctl switch. is this commom problem wits vechicle? how do i

my egr valve wont open complete is there an vacum assit available?? Do this egr valve is electrically operated. If your not getting enough egr flow .you can remove the egr valve and clean the passage ...