Question about 2008 Saturn Vue Hybrid

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Gross evac leak

How t replace e vac

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Most likely gas cap left loose or vent solenoid at fault

Posted on May 11, 2014

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ReNissan P0300

a misfire can be mechanical as well as electrical
code p 0300 is random/ multiple misfires detected
low fuel pressure is a probable cause from a problem fuel pressure regulator or problem EVAC system not venting properly causing a vacuum in the tank and starving the pump
erratic could be from valve problems on heating
loose valve seat insert/s, incorrect valve clearance from faulty hydraulic followers, cam shaft lobe failures are all part of the mechanical reason for random /multiple misfires

Oct 01, 2016 | Cars & Trucks

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Failed smog test ; gross air leak at vapor recovery system. Replaced gas cap from parts house with a dealer supplied gas cap and the gross leak is gone but a minor air leak is...

If you just want to get through the smog test,they usually allow one monitor test to be incomplete and still pass.
If your area does,clear the codes and fill the fuel tank to the top.The other monitors should run and complete but the fuel tank monitor will not run with a full tank of gas so will not turn on the check engine light related to a tank vac leak.KEEP THE TANK FULL,and go get your smog test!

May 05, 2017 | Cars & Trucks

2 Answers

2008 Impala Check Engine Light Evac Leak

evap not evac ! prob an evap solenoid or cannister purge valve

May 25, 2012 | 2008 Chevrolet Impala

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AIR CONDITIONER LEAK PROBLEM. This will be the fifth time my cruiser is going in to the mechanic to try and find the leak.

Really, don't know who is doing the sevice, but when you evac the system that is when you check for leaks, a negative pressure is present after evac. the mechanic is SUPPOSE to wait at least 15 minutes with evac machine off, any variation of the gauge notes a leak, also there is a dye that is put in the system that helps to locate the leak, you might want to take it to someone else that knows what there doing.
Check this site out , it will help you to understand whats going on.

Aug 25, 2011 | 2007 Chrysler PT Cruiser Touring Hatchback

1 Answer

The expansion valve for the rear ac needs to be replaced. Is this an easy thing to fix? would an evac have to be done after the valve is replaced?

Yes. System must be evacuated in order to open line to change expansion valve. After replacing valve the system must be vac tested for leaks and recharged.

Jul 13, 2011 | 1999 Chevrolet Express

1 Answer

P0442-Evaporator emission control system leak(small leak) P0455-Evaporator emission control system leak(gross leak) Have replaced gas cap with Dodge cap from dealer.

The purge solenoid is by the engine and is connected to the vacuum system. Check the vacuum lines going to this and the lines that may be connected to the vacuum port it comes from. Check for seals on the solenoid if it is directly in the intake manifold. Other things to check are the lines (plastic) that go to the charcoal canister and fuel tank. If the light has been on for a while I would start with the pugre solenoid. If you have a vacuum leak there it would go from small to gross.
Small leaks are checked by the ECM constantly, gross leaks are some that has broke/cracked.

Jun 28, 2011 | Dodge Grand Caravan Cars & Trucks

1 Answer

Engine running rough at low idle, codes are: P0171 System Lean (Bank 1) and P0455 Evaporative Emissions Leak (gross leak/no flow) 1998 ZX2, 2.0L 136,XXX miles. Only previous issues replaced timing...

First, make sure the gas cap is on tight(turn till it clicks) next, check for broken or disconnected
vacum lines around the top of the engine and intake manifold area. also check the vacum lines
to the purge canister and make sure there is no blockage in the lines. If the canister is bad the
charcoal filter material can get sucked into vac. lines and cause the no flow problem. Also check
the elec. connections for the purge valve(in vac.line from can. to intake manifold) and the vent
solenoid at the canister. Hope this helps.

Nov 19, 2010 | 2001 Ford Escort ZX2

1 Answer

Rear a/c not blowing cold, front works fine.

probably the same problem as the '99. you probably lost too much coolant. charge with dye and check for leaks, (these things lose refrigerant normally, so you may not have a bonafide leak but check anyway) change the accumulator as a matter of course. evac the system and make sure you lose no vac over the course of 5 to 10 min. recharge the system for the proper weight (which is on the accum sticker) if you need detailed instructions let me know.

Jun 08, 2009 | 1999 Chevrolet Suburban

1 Answer

Check Engine Light - Code numbers P1486 & P0455

Found on my jeep that the high quality vac line to the evap bottle had split on the under side.

Aug 14, 2008 | 1999 Jeep Wrangler

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