What to do if your car fails the HC test?
Check cracks in the air duct from the air filter box to the throttle body. If you can’t find any, spray carburetor cleaner around the intake manifold while watching the O2 sensor readings on your scan tool. In many cases you can see the vacuum leak as it sucks in the liquid spray.
What does high HC mean on a car emissions test?
A high HC reading means the test found high HC (hydrocarbons) in your emissions. In other words, too much gas is left in the exhaust after combustion. High HC can be caused by improper combustion, where:
What causes a car to have a high HC reading?
High HC can be caused by improper combustion, where: • Faulty fuel injectors are introducing too much fuel during intake, or clogged fuel injectors are injecting too little fuel into the combustion chamber. • A worn engine is causing too much oil to enter the combustion chamber and the excess oil enters the exhaust.
When did the Honda Civic CVCC engine come out?
The CVCC engine debuted in December 1973, with a head design that allowed for more efficient combustion, and as a benefit the CVCC system did not require a catalytic converter or unleaded fuel to meet 1975 Environmental Protection Agency emissions standards for hydrocarbons and carbon monoxide.
Which is the latest revision of the Honda Civic?
This is the latest accepted revision, reviewed on 11 November 2019. The Honda Civic (Japanese: ホンダ・シビック) is a line of cars manufactured by Honda. Originally a subcompact, the Civic has gone through several generational changes, becoming both larger and more upscale, moving into the compact car segment.
What kind of suspension does a Honda Civic have?
The front suspension was changed from that of a double wishbone to a MacPherson strut, in order to lower costs, as well as allow more engine bay room for the newly introduced Honda K-series engine. Power was also increased on some trim levels. The four main trim levels were DX, LX, EX, and HX.
When did the tenth generation Honda Civic come out?
The tenth generation Civic is based on an all-new Honda compact global platform. The sedan was first unveiled in September 2015, for the 2016 model year. The tenth-generation Civic features a new fastback exterior design, with the rear C-pillar flowing into the tailgate.
How does the status of your emission systems become ” ready ” again?
How the status of your vehicle’s emission systems becomes “ready” again: Driving the vehicle in a normal fashion may allow your vehicle’s to become “ready”. However, for certain emission systems and certain vehicles, the status returns to “ready” only after driving the vehicle a specific way.
Is there a problem with my 98 civic?
With my response, “just because every 98 civic with a crack has not drove into your dealership and reported you the problem DOES NOT MEAN the problem with your companies manifolds does not exist!” She shrugs her shoulders, it was going no where.
Is there a recall on a 1998 Honda Civic?
I believe if us 1998 honda civic owners make our problem known that practically all manifolds are cracking we can too fight for a replacement manifold! Honda likes to keep things on the hush, look at the 2002-2005 civics, majority of their transmissions are going out around the 100,000 mark nearly after warranty expires, no recall on that either.
What causes a high HC reading on an emissions test?
Let’s start by understanding what things cause a high HC reading. A high HC reading means the test found high HC (hydrocarbons) in your emissions. In other words, too much gas is left in the exhaust after combustion.
Can a DMV charge for an emission re-inspection?
If you take the vehicle from the inspection facility to perform the drive cycle yourself, the inspection station operator can charge you an emission re-inspection fee, up to the maximum fee allowed for an original emission inspection. How Do I Avoid This in the Future?