Passat (B5) :: Check Engine Light Stays On Due To Vacuum Leak
I have a 2000 B5 . It has minor damage front and rear (cosmetic only). Also, the check engine light stays on due to a vacuum leak somewhere between the MAF and the intake manifold. It would need a full paint job at some point after the body work was completed.
View 3 RepliesToyota - Corolla :: 2008 - Check Engine Light On / Bad Gas Or Vacuum Leak
I have a check engine light on the car and in the past it has been bad gas or a vacuum leak. Dealer says on toyota that is not possible.
View 3 RepliesVolvo :: 2002 S60 With Codes - Check Engine Light Come On
I have a 2002 volvo S60 2.4T that I just had the check engine light come on so I pulled the codes and here is what I found,
PO403
PO611
P1378
P2623
So my question is what does this mean ? what is wrong ?
Volvo - S70 :: 2000 - Check Engine Light Is On With Three Codes
The Check Engine Light is on. Diagnostic Codes: P0722, P1618, and P1633. Do these mean the output speed sensor/connector wires should be replaced? Is this a DIY job?
View 1 RepliesFord - E150 :: Check Engine Light Keeps Coming On - Vacuum Leak / Fuel Pump
I recently had a Jasper rebuilt engine installed in my Ford E150. Since than my check engine light keeps coming on and the computer is saying my cas air mix is "lean". The instaler says i need a new fuel pump.Another mechanic says it is more likely a vacuum problem.I know it's possible that the fuel pump is bad bur since this has just started since the install, I don't believe it can be the fuel pump unless it's just one hell of a coincidence.
View 6 RepliesFord Super Duty (1999-2016) :: 2002 F250 - Vacuum Leak But No Check Engine Light
2002 F250 SD 4X4 5.4L. 4.5 inch pro comp lift tire size 305/75/R16. K&N cold air set up. 208,000kms
I know the truck does horrible on gas but lately is been getting worse, maybe I am getting 350km to a tank. Mixed highway city driving. Sounds like I might have a vacuum leak somewhere but I have no engine light. I've had the truck since last year and put about 10,000km. on it done regular oil changes .. brake maintenance no motor work so far.
Volvo - S40 :: Check Engine Light On - Error Codes For Timing Belt And Temperature Sensor
2001 volvo s40. Diagnostics performed. Error codes for the timing belt and temperature sensor. These were replaced. The check engine light still comes on/stays on.
View 6 RepliesFord F-150 - 1997-2003 :: Vacuum Leak - Error Codes Indicating Bad O2 Sensors
I am having problems with a 2003 Ford F 150 with a 4.2 L V6. The problem is that it is giving me code errors that would indicate bad O2 sensors. I replaced both the upper and lower O2 sensors, and still I get the same codes. I was told by the mechanic with the computer reader that this usually means a bad vacuum seal. He suggested looking for bad hoses, but did not offer much more than that. How to proceed?
View 2 RepliesFord F-150 (2004-2008) :: Vacuum Leak Causing Erratic Idle - Codes PO171 / 174?
I tugged on the little hose on the back pass. side of the engine,(5.4),...
and I could hear the vacuum leak that is apparently causing the erratic idle, and PO171 & PO174 to come up.
I know this hose is hooked to the Charge motion Control Valve on the back of the manifold,..I can't imagine what it does, as it terminates with some kind of plug or check valve??? Haynes say's to remove the entire manifold to get to the CMCV.
I can see it with a mirror,. I am thinking maybe long needle nose from Harbor freight,...bend the tip short,..maybe be able to change it out?????
Volvo :: Engine Computer Test - Sputters Unless Disconnect Vacuum Line
I replaced the engine computer (1346107) with one from ebay. Now it runs but sputters unless I disconnect the vacuum line (still sputters but a lot less). with it connected, the timing is off (to about 15-18 instead of 12). the distributor is rotated as far as it will go. Need to recognize these symptoms? Is there a procedure to test the ICU?
View 17 RepliesGolf/GTI VI :: Random Engine Misfires All Day / Vacuum Leak
Car: 2011 VW GTI MkVI
Mileage: 79k
Configuration: Stock
Warranty/Coverage: None
So I started my car last Monday and the check engine light was on. Didn't think much of it because the car ran fine and there were no immediate symptoms. I was busy with work this week, but noticed some changes in the car's performance over time so I waited till Thursday to have it scanned at AutoZone, which threw the following codes:
P 300 Definition: Random Engine Misfire
Explanation: Lean air/fuel ratio
Probable Cause: Ignition system misfire condition, Fuel injector fault, Engine mechanical condition
P 302 Definition: Cylinder 2 Misfire
Explanation: Vacuum leak on engine
Probable Cause: Ignition system misfire condition, Fuel injector fault, Engine mechanical condition
P 303 Definition: Cylinder 3 Misfire
Explanation: Vacuum leak on engine
Probable Cause: Ignition system misfire condition, Fuel injector fault, Engine mechanical condition
Prior to making any purchases I noticed that I started losing some pickup, primarily in lower gears between 2-3k RPM's. Praying that it was somehow just the coils/plugs I bought the R8 pack for both and replaced them this evening. Engine starts up and continues to misfire. I have not had a chance to have it scanned but it would appear it isn't the plugs or coils.
When the plugs were removed, there was an 'oily' substance on the threads, which also seemed like it could have been burnt off fuel or oil pushed up from the cylinder. Also 2 of the plugs seemed looser than the others and didn't feel properly sealed. New R8 install included proper plugs for STOCK application, as I do not run any tuning, and i installed with the appropriate plug grease added lightly to the threads.
I took the car for a spin with the R8 coils/plugs installed to compare it to how the car was doing prior the install. Car misfires and seems fine (relatively) at idle and revving to 2-3k rpm yields NO change. It is almost unable to accelerate up a hill, or go past 30 MPH without the car shaking and any gear higher than 3rd seems not drivable. I feel these are my potential diagnoses before i bring it somewhere and have it looked at.
In Order of Most Likely:
1) Fuel Injectors
2) Air Intake
3) High Pressure Fuel Pump
4) Electronic Leads for the Coils
5) Battery Needs Changed
6) Chain Tensioner Failure
7) Coils and Sparks are all Bad, and I am an idiot
I would prefer to do this work myself and can afford the parts. I just didn't want to be fooling around all month without a mode of transportation to get to and from work.
Passat (B5) :: Vacuum Leak Hissing Center Back Of Engine
I have just replaced my vacuum lines after find a hole in the hose going the the vacuum reservoir. I have also recently replace the pcv hose. This seems to have created increased vacuum pressure and I am now hearing a hissing coming from the back center part of the engine.
Pulling codes P1411, P1423, P1138
Regarding photo - The area the hissing appears to come from is located in the rectangle area, more or less.
2.8 atq B5 Variant
Ford F-150 - 1997-2003 :: Vacuum Leak When Engine Is Under Load
It has been since the 80's that I have attempted to do any work on a vehicle. How do I find a vacuum leak and where is my vacuum canister. I am assuming that it is a vacuum leak for anytime my engine has a load on it the air stops coming out of the dash vents and goes to the defrost vents. I have an 2000 F150 with the large engine with about 112,000 miles.
View 11 RepliesRegal :: 1993 / 3.8 - Engine Surges When Brakes Applied / Vacuum Leak?
I've read a vacuum leak will cause this problem and my wife heard a hissing noise when I applied the brakes on the way home for lunch. So I'm assuming a vacuum leak someplace in the brake system, but I've not found one yet using the carb cleaner approach. The brakes worked on the way home but on the way back to work they hardly work at all - very stiff. Could the vacuum booster be the problem?
View 5 RepliesPassat (B5) :: Check Engine P0411 And P0422 - Vacuum Reservoir Tank?
My 1999 VW Passat has a check engine P0411, P0422, so I looked for any damaged vacuum lines and found one that was all melted coming out of the blue vacuum reservoir tank in the front left lower bumper area. The line was broken off and I cannot figure out where this line is supposed to go.
View 1 RepliesFord F-150 - 1997-2003 :: Loud Shrill Varies With Engine RPM - Gas Smell And Vacuum Line Leak
Recently I have been having a strong gas smell coming from my 1997 F150 Supercab 4.6L 2wd. It is not happening all of the time. I have also been hearing what sounds like a vacuum line leak. A loud shrill which varies with the engine rpm. This also does not happen all of the time.
View 1 RepliesFord F-150 - 1997-2003 :: Check Engine Light On - Rubber Vacuum Lines
I got a question, what is after ac hose vacuum left side on a 10 th gen 4.2l engine bay by the firewall, to the right of the blue thing, right of that on that line their is a 2 end diameter rubber vacuum line? What is that called, I need a replacement.
View 7 RepliesGTI 337/20th Anniversary :: 2002 - Check Engine Light Came On / Failed Clutch Vacuum Vent Valve Switch
I have an 2002 Volkswagen GTi 337 edition with the 1.8t engine in it. My check engine light came on so I went to my local autozone to check the code and that's what code it threw on the ODBII sensor. It says my problem could be a "failed clutch vacuum vent valve switch". It also revs about 100-200 rpms extra in between shifts and I'm not a mechanic but know a little about cars. I just don't know if I should replace the OEM clutch safety switch or what I should do about this.
View 19 RepliesVolvo - V70 :: ETS / Oil And Check Engine Lights On
My volvo is running fine but the ETS Light, OIL light and Check Engine LIght are constantly coming on and off intermittently. In March of 2011 the independent volvo specialist cleaned the throttle body and a cracking turbo hose. In September 2011 the dealership recommended to replace the dipstick tube and to reseal angle gear. In October 2011 the dealership tech notes possible internal failure to the transmission shift solenois, oil pump seals and an internal failure to the electronic throttle module. Recently I had the oil and filter changed and the check engine light reset but days later the lights all are back on. I am unable to smog the car until these light issues are resolved.
View 1 Replies