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Vacuum Check Valve Questions

2001 Mazda Millenia Engine Problem with 85000 miles: Where do I begin. several things have been done to fix this car. no engine light. But when the car get up to highway speeds ( 60-70 mph) the...; Asked by bigdaddy1967 about 4 months ago - 1 Answer
2007 Chrysler PT Cruiser Brakes Problem with 80567 miles: I have had this car since it was brand new.problemm brakepedal is super hard.makes no noises. breakjob done under 10000 miles. is it a ...; Asked by shay54 about 4 months ago - 1 Answer
1997 Toyota Corolla Engine Problem with 196000 miles: 1997 Toyota Corolla 1.6L 4A-FE 196,000miles Driving down the road the road the car start to shutter a little. Then about a mile down the...; Asked by junky04 about 4 months ago - 2 Answers
1999 Dodge Durango Engine Problem with 100000 miles: My Durango dies when I take foot off the gas pedal at an idle. Coil has been changed, fuel pump and filter changed, rotor cap and wires ...; Asked by (pending member) about 4 months ago - 1 Answer
1992 Pontiac Firebird Engine Problem with 220 miles: Here's whats wrong with it it Backfires just by turning it over the hotter the engine gets the more it backfires which makes it hard to ...; Asked by (pending member) about 4 months ago - 8 Answers
1991 Mitsubishi Star Wagon Engine Problem: MY engine is racing when i start it up. I dont even have to use the throttle in first gear to move,it jst takes off!; Asked by (pending member) about 4 months ago - 1 Answer
2003 Chevrolet Silverado Engine Problem with 125000 miles: Wont idle when cold; Asked by (pending member) about 4 months ago - 1 Answer
2002 Honda City with 70000 miles: I religiously follow the maintenance schedule as prescribed in the owners manual of my 1.3 Exi Honda City. The problem is the RPM tends to ...; Asked by (pending member) about 4 months ago - 1 Answer
2000 Ford Ranger Engine Problem with 200 miles: Ford ranger will crank but not start. Can tow start it and if you keep r.p.m up you can drive it. replaced e,g,r valve and still nothing, ...; Asked by harley 63 about 4 months ago - 2 Answers
1979 Ford F-150 with 97704 miles: What should i do no heat fan blows on ac but do not blow heat when you turn on heat; Asked by (pending member) about 4 months ago - 1 Answer
2001 Mazda Tribute Engine Problem with 190000 miles: We have replace egr valve & solenoid, cleaned mass air flow, replaced IAC, both O2 sensors, DPFE, and new plugs & coil packs. All ...; Asked by quality hammer about 4 months ago - 1 Answer
2005 GMC Savana with 146000 miles: Van starts put wheel will not turn and brakes hard to use. Feels like when no power to them but the car starts no problem; Asked by dudzinskib about 4 months ago - 1 Answer
1993 Oldsmobile Ciera with 260000 miles: Fuel pump was replaced, mas airflow sensor replaced, and the car was started the engine reved up high , checked throttle cables, the Iac ...; Asked by (pending member) about 4 months ago - 1 Answer
2001 Lexus RX 300 Drivetrain Problem with 168000 miles: I had the Transmission rebuild a couple years ago and afterward started getting an "INTERMITTENT" grinding noise at low speeds both when ...; Asked by LexusOwnr about 4 months ago - 6 Answers
1993 GMC C1500 with 200000 miles: Engine quits after driving awhile and foot is removed from gas pedal.engine starts right up. acts like car is cut off by key; Asked by (pending member) about 4 months ago - 1 Answer
1991 Ford F-150 Engine Problem with 200000 miles: I have a 91 f150 with the 5.0 and a 5speed 4x4 with maual hubs. . when you start the truck; the motor takes a nd minute to find idle and ...; Asked by (pending member) about 4 months ago - 1 Answer
1994 Honda Accord Engine Problem with 50000 miles: My Honda accord has been cutting out when i reach 3500 rpm's. i have replaced the transmission, vacuum hoses, starter, pcv valve, and it ...; Asked by (pending member) about 4 months ago - 2 Answers
1983 Lincoln Mark VI Engine Problem with 117988 miles: Runs but wont stay running unless you give it gas no lights on dash no smoke runs great but will not idle this is a super clean car but ...; Asked by (pending member) about 4 months ago - 1 Answer
1991 Ford F-250 Engine Problem with 63510 miles: My truck races the engine up to 2000 rpm and will not idle down. when driving and in 4th gear, 5 speed manual overdrive 4x4 it runs down the...; Asked by (pending member) about 4 months ago - 1 Answer
1998 Buick Lesabre Engine Problem with 58767 miles: What would cause oil in the throttle body after the car dies running 55mph at 1100 rpm and wont crank over gf drives like a grandma and ...; Asked by (pending member) about 4 months ago - 1 Answer
2002 Ford Fiesta Engine Problem with 80000 miles: Hi There, I am currently having continuos problems with my 2002 ford fiesta finesse. Every time i come to take my foot off the ...; Asked by (pending member) about 4 months ago - 1 Answer
2004 Nissan Primera Engine Problem with 60000 miles: Engine revs up and down then it cuts out; Asked by lewis2012 about 4 months ago - 1 Answer
2007 Mini Cooper Engine Problem: When coming to a halt the engine cuts out. It does restart when pressing the ignition button and I can keep it going when tapping the ...; Asked by (pending member) about 4 months ago - 1 Answer
2004 Nissan Almera Engine Problem with 60000 miles: Engine revs up and down then cuts out; Asked by lewis2012 about 4 months ago - 6 Answers
1993 Lincoln Continental Engine Problem with 15000 miles: Runs rough shakes won't stay idle; Asked by (pending member) about 4 months ago - 1 Answer
2001 Chrysler Sebring Engine Problem with 146000 miles: I have a new battery in my car..have had absolutely no problems with it..have owned it for about a year now..just all of a sudden now it won...; Asked by (pending member) about 4 months ago - 1 Answer
2004 Volvo S60 Engine Problem with 104000 miles: Replaced one of the coils @ 102000 miles then a wk ago ck engine light came on and it seemed to be idoling rough and then 2 days later it ...; Asked by (pending member) about 4 months ago - 1 Answer
1978 Ford F-100 Air conditioner Problem with 54000 miles: My ac will not turn on. i know it is not getting power because i had this problem before. i took it to the shop and i know they replace my ...; Asked by chrishurssey about 4 months ago - 6 Answers
1999 Isuzu Rodeo Engine Problem with 137000 miles: How do i fix my car its got p0300 code and idles different in drive and normal in neutral; Asked by Barry blom about 4 months ago - 1 Answer
2001 Ford Mondeo Engine Problem: We are in the uk have a 1.8 zetec 2001 and need to know how to remove and replace the cylinder head; Asked by (pending member) about 4 months ago - 1 Answer
2007 Renault Clio Electrical Problem with 100000 miles: Wont idle; Asked by (pending member) about 4 months ago - 1 Answer
1984 GMC Sierra Engine Problem with 4000 miles: The idle is high and I've check for vacuum leak but it was fine. What else can it be; Asked by Wehrwein about 4 months ago - 1 Answer
1999 Chrysler Sebring Repair Problem with 150000 miles: When coming to a stop car idles real low and sometimes even stalls...idles real low when I even start the car.; Asked by (pending member) about 4 months ago - 3 Answers
1979 Jeep CJ7 Engine Problem with 100 miles: 79 cj7 304 will not start. motorcraft 2100 was rebuilt and had it running. Next day tried to start it and heard a horrible sound like ...; Asked by aheath about 4 months ago - 18 Answers
2001 Toyota Tazz Engine Problem with 280000 miles: I have replaced the carb, spark plugs, leads, fuel filter and adjusted the timing to 10deg. I am out of answers, could you tell me why the ...; Asked by jeromecoskey about 4 months ago - 10 Answers
1997 Mitsubishi Chariot Body Problem: I want to charge my battery but when I pull the bonnet/ hood release the hood is not popping up to the position to put my hand in to open ...; Asked by dbturner about 4 months ago - 3 Answers
2002 Jaguar X-Type Noise Problem with 135000 miles: Re:2002 X-type 3.0 135000 miles 5spd. AWD After several attempts to fix a supposed bad connection to the air intake throttle the car is ...; Asked by Gjag about 4 months ago - 1 Answer
1991 Nissan Hardbody Engine Problem with 279000 miles: Hi. I have a 1991 Nissan D21 2.4L 4CYL. I have replaced the fuel pump, relays, fuses, and the tempair sensor. Now it has a fast idle, I ...; Asked by (pending member) about 4 months ago - 1 Answer
1993 Honda Accord Engine Problem with 166000 miles: After the engine warms up (seems like the idle is kind of high when warming up) then the engine will run high to low and continue to do that...; Asked by (pending member) about 4 months ago - 2 Answers
2002 Volkswagen Jetta Engine Problem with 17000 miles: About a year ago car wouldn't start. Changed fuel pump and car worked ok. Changed the MAF with an aftermarket part. Worked better. ...; Asked by bself1352 about 4 months ago - 4 Answers
1995 Chevrolet Silverado with 99000 miles: Idle is at 1300 when start up, when driving I can put truck in neutral and it will hold an idle of about 1800, have replaced the IAC valve ...; Asked by (pending member) about 4 months ago - 1 Answer
1999 Chevrolet Blazer Engine Problem: Check engine light came on, had it tested they said it was the egr valve or censer, could it be a vacume leak,it's losing power when driving...; Asked by Beardman about 4 months ago - 1 Answer
2006 Ford Bantam Brakes Problem with 140000 miles: The mileage above is in Km as I am in South Africa. The brake booster vacuum hose has repeatedly been breaking. It happens randomly ...; Asked by (pending member) about 4 months ago - 1 Answer
2006 Ford Fusion with 120000 miles: RPM's keep jumping from normal 600-700 down to 500 when stopped. What is the problem??; Asked by lina mcdonald about 4 months ago - 1 Answer
2003 Dodge Neon Engine Problem with 120000 miles: When driving a humming sonund comes from engine compartment and runs rough in gear at stop; Asked by magee101 about 4 months ago - 3 Answers
1994 Buick Regal Engine Problem with 179000 miles: I'm having trouble with the idle. Iv replaced the idle control valve. Its starts when it cold without useing the throttle, but when it worms...; Asked by (pending member) about 4 months ago - 1 Answer
2001 Honda Civic with 209000 miles: 2001 honda civic 1.7 engine manual trans. car starts fine,in a few seconds engine idles up & down,rpm gage goes up & down, check ...; Asked by billy c about 4 months ago - 9 Answers
2004 Dodge Stratus Engine Problem with 100000 miles: My Dodge Stratus sxt won't stay running , could it be throttle position sensor; Asked by (pending member) about 4 months ago - 2 Answers
2003 Ford Focus Engine Problem with 65000 miles: I have a 2003 Ford Focus zx3 2.3 litre, when it idle's it cuts but when you raise the rpm's it smooth's out what do you think it the speed ...; Asked by randy sharp about 4 months ago - 2 Answers
1995 Honda Civic Engine Problem: My 1995 honda civic idle starts to bounce around 1500 RPM or when trying to drive steady at 30-40MPH. the CEL says Idle air control valve ...; Asked by (pending member) about 4 months ago - 1 Answer

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