What should ignition timing be for smog test?
I have a couple of questions about the results of my two recent smog tests and the adjustments to the ignition timing the mechanic made to have the second test pass. The vehicle emission control label specifies ignition timing 5 degrees BTDC at 950 RPM max with vacuum hoses disconnected from distributor and sealed.
What was the ignition timing in April 2009?
April, 2009 / 213409 miles: Smog check, failed. Ignition timing measured 20 BTDC. Performed by Mechanic Z. May, 2009: Ignition timing adjusted to 5 BTDC by Mechanic Z. Smog check, passed, also performed by Mechanic Z. Timing subsequently verified by Mechanic X at 5 BTDC.
When was ignition timing adjusted to 5 BTDC?
May, 2009: Ignition timing adjusted to 5 BTDC by Mechanic Z. Smog check, passed, also performed by Mechanic Z. Timing subsequently verified by Mechanic X at 5 BTDC. Between the March, 2007 smog check and the April, 2009 smog check there were no adjustments made to the engine.
What can cause a car to fail a smog test?
A smoking tailpipe is a compounding factor that could cause the car to fail a smog test. It is strongly recommended to have the car diagnosed by a qualified mechanic to get to the root of the problem.
How old does a car have to be to be exempt from smog?
Vehicles model year 1968 and newer UNLESS the vehicle meets the requirements for a Classic Vehicle Exemption. New vehicles on their 3rd registration or later. Hybrid vehicles are exempt for their first 5 model years. Your vehicle’s emissions test is valid for 90 days. For questions about testing locations,…
If your engine’s oil is contaminated because of inadequate oil changes, it could cause higher emissions and a failed smog test. For these reasons, always change the oil in your car to ensure the best engine performance prior to your test. 5. If Your Check Engine Light Is On, Find a Way to Turn It off
How long does it take to get a smog test?
Drive around for at least twenty minutes before getting your car tested. If it takes you twenty minutes to reach the station, you are good to go. If possible, make an appointment at the smog station for your test, so you aren’t waiting in line for an extended period before your smog check.
Can you get a retest for a smog test?
Smog test stations are getting a lot more competitive with each other in recent years, and this is a very common deal they offer to attract more customers. It could save you quite a bit of money on a retest. When you go to have your vehicle smog checked, have as many cards stacked in your favor as possible.
Can a car pass a smog test with the Check Engine light on?
Note: No car will pass a smog test if the Check Engine light is on. If you take your car in for a test with the Check Engine light on, you will fail. Be sure to take your car to the mechanic when the light turns on, and before taking it in for a test so you don’t waste your time. Make sure that your car idles smooth and drives properly.
Where does the ignition timing test take place?
Note: I don’t live in one of the polluted areas. The ignition timing test (part of the function check results, not the idle emissions test results) was run during the smog check. This was at a garage that also does smog checks.
I have a couple of questions about the results of my two recent smog tests and the adjustments to the ignition timing the mechanic made to have the second test pass. The vehicle emission control label specifies ignition timing 5 degrees BTDC at 950 RPM max with vacuum hoses disconnected from distributor and sealed.
Why did my car fail the smog test?
Car has 50,000 miles and is in flawless shape- always serviced and use best synthetic oil and premium gas. he said computer need to reset itself since i only drove it since recharge. I trust smog guy – have used him for 15 years; he told i need drive on freeway for 25 miles before taking it in so it resets. I only drive it 5 to 10 miles per week.
Why did the timing belt on my car misfire?
So far they haven’t admitted doing anything wrong… they say the misfire was due to the oil in the valve or something seemingly unrelated to the timing belt (I HATE being so ignorant in all this!!) Without knowing the exact details it’s impossible to know what’s going on of whether the shop is at fault for anything or not.
Note: I don’t live in one of the polluted areas. The ignition timing test (part of the function check results, not the idle emissions test results) was run during the smog check. This was at a garage that also does smog checks.
How to pass an emissions ( smog ) test?
6 Proven Methods for Passing an Emissions (Smog) Test: 1. Warm up Your Car’s Engine as Much as Possible Your car’s engine burns fuel, to make sure there is complete combustion (i.e., the engine is running as clean as possible) your engine needs to warm-up.
What should my tire pressure be before a smog test?
Fill your tires to the correct pressure prior to the smog test. If your tire manufacturer states that your tires can be safely inflated to any pressure within a given range (for example, anywhere between 35 and 45 PSI), then inflate them to the top of that safe range.