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Emissions Issues

All discussion related to emissions issues goes into this section. Find solution to your problems, ask questions and talk about your cars emissions issues, all in one place.

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Emissions Issues Issues Discussion
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Why did my Hyundai Oshan X7 fail the vehicle emission test in Punjab despite being a new car?

Gari Specialist Sat Jul 12, 2025 12:20 pm

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40
Sat Jul 12, 2025 12:25 pm
Is poor fuel quality in Pakistan causing emission problems in the Hyundai Oshan X7?

Gari Specialist Sat Jul 12, 2025 12:20 pm

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53
Sat Jul 12, 2025 12:20 pm
Why does my Hyundai Oshan X7 emit black smoke during acceleration?

Gari Specialist Sat Jul 12, 2025 12:08 pm

1
38
Sat Jul 12, 2025 12:24 pm
Are Pakistani Changan dealerships and workshops checking emission systems EGR, sensors, catalytic converter during regular maintenance of Karvaan?

Sandeep Thu Jun 26, 2025 3:57 pm

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Thu Jun 26, 2025 4:07 pm
Is the ECU Engine Control Unit in Changan Karvaan well-calibrated to handle variable altitudes and fuel types across different regions of Pakistan?

Sandeep Thu Jun 26, 2025 3:56 pm

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33
Thu Jun 26, 2025 4:07 pm
Does a clogged air filter in Changan Karvaan reduce engine efficiency and increase CO2 emissions in Pakistans dusty climate?

Sandeep Thu Jun 26, 2025 3:56 pm

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37
Thu Jun 26, 2025 4:06 pm
Are Pakistani mechanics trained to identify and fix emission-related issues in Changan Karvaan using proper diagnostic tools?

Sandeep Thu Jun 26, 2025 3:56 pm

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35
Thu Jun 26, 2025 4:06 pm
Is engine oil burning in older Changan Karvaan models leading to blue smoke and higher emissions in Pakistan?

Sandeep Thu Jun 26, 2025 3:56 pm

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39
Thu Jun 26, 2025 4:06 pm
Are routine emissions tests and tuning being neglected by Changan Karvaan users in Pakistan, leading to non-compliance with local environmental regula

Sandeep Thu Jun 26, 2025 3:56 pm

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32
Thu Jun 26, 2025 4:06 pm
Do blocked o r failing catalytic converters in Changan Karvaan contribute to rising emission levels and engine performance issues in Pakistan?

Sandeep Thu Jun 26, 2025 3:56 pm

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32
Thu Jun 26, 2025 4:06 pm
Are malfunctioning oxygen sensors O2 sensors o r mass air flow sensors a cause of emissions issues in Changan Karvaan across Pakistan?

Sandeep Thu Jun 26, 2025 3:56 pm

1
25
Thu Jun 26, 2025 4:06 pm
Are Pakistani fuel quality standards contributing to increased emissions problems in Changan Karvaan, especially in urban areas?

Sandeep Thu Jun 26, 2025 3:56 pm

2
34
Thu Jun 26, 2025 4:06 pm
Why do some Changan Karvaan units in Pakistan emit excessive black o r white smoke during acceleration o r cold starts?

Sandeep Thu Jun 26, 2025 3:56 pm

1
31
Thu Jun 26, 2025 4:06 pm
Why is my Hyundai Elantra producing black smoke o r excessive exhaust from the tailpipe?

Gari Specialist Sat Jun 21, 2025 6:06 pm

1
52
Sat Jun 21, 2025 6:08 pm
What causes a failed catalytic converter in the Hyundai Elantra, and how can it be prevented?

Gari Specialist Sat Jun 21, 2025 6:06 pm

1
34
Sat Jun 21, 2025 6:08 pm
Why does my Hyundai Elantra emit a strong fuel o r exhaust smell from the engine bay o r tailpipe?

Gari Specialist Sat Jun 21, 2025 6:04 pm

1
45
Sat Jun 21, 2025 6:08 pm
Why is my Hyundai Elantra failing emissions tests o r showing high NOx levels?

Gari Specialist Sat Jun 21, 2025 6:04 pm

1
50
Sat Jun 21, 2025 6:07 pm
Why is my Hyundai Elantras check engine light on with an EVAP system code?

Gari Specialist Sat Jun 21, 2025 6:03 pm

1
48
Sat Jun 21, 2025 6:07 pm
Has Changan Pakistan issued any emissions-related recalls, updates, o r service bulletins to address pollution o r environmental concerns from Kalam u

Lubaba Wed Jun 18, 2025 5:38 pm

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23
Wed Jun 18, 2025 5:45 pm
Do clogged air filters o r malfunctioning mass air flow sensors MAF in Changan Kalam contribute to increased exhaust emissions in Pakistan?

Lubaba Wed Jun 18, 2025 5:38 pm

1
32
Wed Jun 18, 2025 5:45 pm
Is poor-quality local diesel o r petrol in Pakistan affecting Changan Kalam’s emission levels and damaging emission control components?

Lubaba Wed Jun 18, 2025 5:38 pm

1
35
Wed Jun 18, 2025 5:44 pm
Do Changan Kalam vehicles in Pakistan emit excessive white o r blue smoke, indicating possible oil burning o r coolant leakage?

Lubaba Wed Jun 18, 2025 5:38 pm

1
32
Wed Jun 18, 2025 5:44 pm
How does the lack of a proper exhaust gas recirculation EGR system affect the NOx emissions level in Changan Kalam in Pakistani markets?

Lubaba Wed Jun 18, 2025 5:38 pm

1
32
Wed Jun 18, 2025 5:44 pm
Are there common complaints of malfunctioning oxygen sensors O2 sensors in Changan Kalam that result in improper emissions management?

Lubaba Wed Jun 18, 2025 5:38 pm

1
28
Wed Jun 18, 2025 5:44 pm
Is the engine of Changan Kalam prone to unburnt fuel emissions due to inefficient combustion o r injector problems in Pakistan?

Lubaba Wed Jun 18, 2025 5:37 pm

1
24
Wed Jun 18, 2025 5:44 pm
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Emissions Issues

car have the emission issues including air-fuel mixture, faculty gas cap, faulty spark plugs, dirty air filter and it can have issue in busted catalytic converter. These are the common causes in if the vehicle emission test is not conducted properly. When the light of ‘check engine’ switched on or the emission test is failed, it is best for you to have used service quickly. When the emission is detected at the early stage, it costs few hundred dollars.

Pro Tip

To pass the emission test of , you can try to carry out test on relatively cool days. You need to make sure that car engine is as hot as it can get. You can do this check of through driving this car for about 20 minutes before doing the emission test.

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