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Engine fault also is trembling

The two day that the engine fault light is trembling, cold start idling, also very easy to fire, don't know how it happened,

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Engine fault light, for the oxygen sensor failure, (the reason is low grade gasoline, octane number cannot be reached a certain quantity of heat, so that the oxygen sensor is unable to transfer to the main computer signal. No signal indicates the fault, computer memory feedback to the fault lamp). The petrol for 97# try. Can also use car diagnostic tool to diagnose department to clear the fault with the decoder. Recommended repair repair.

Posted on Nov 29, 2013

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Posted on Jan 02, 2017

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SOURCE: 98 Isuzu Trooper stalls on cold start, idle issues..

I had the same issue on my 99 Trooper.

It would usually start when completely cold, but idle around 2k RPM.
It would drive fine. But if I shut it down, ran into a store, and came back out, it would start but immediately idle.
Had to ride the gas a little to get it into gear.
The Check Engine light has been going on and off for 6 months or so.

I took this to my local trusted repair shop (no Isuzu dealers within 200 miles).
The diagnosed the light, and found that the Intake Gaskets were bad or leaking.
The idling problem was related to the car not being able to control the amount of air coming in.

They replaced the Intake gaskets by the next day, and I haven't had a problem since. And no more check engine light, which has been on half a year.

Here's some details from my bill:
(1) Intake Gasket set $107.95
Misc materials $21.00
2.1 hours of Labor

The total cost to me was $345.00, and I definately don't feel gipped.

Posted on Mar 06, 2009

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SOURCE: 1992 VW Polo 1.3L Coupe: warning light mystery

Polo Coupe 1043,1992, Will not start, can be bumped started, sometimes!!, theres a strange clicking noise from under the air box, when the ignition is on and sometimes the oil pressure light comes on when the car gets upto temperature, then I lose all power and then the engine cuts out. I've recently changed the dizzy cap, rotor arm and battery, all the leads are new ish along with the spark plugs. The previous owner has changed the head and done all that, leaving much of the engine loom unlagged and bare. Could this cause a problem on some of the electrical systems?

Posted on Oct 22, 2008

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Hey my 2006 Suzuki swift has been playing up for around 6 months now and I think it's time to fix it, things I've come across is... Constant revving up and down, check engine light either on all...


all the faults of the car dont need to be fixed all at once
you can stretch it out

idle control valve can be cleaned
the maf can be cleaned
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disconnect battery terminals count to 5 then reconnect
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I have a 1991 pontiac trans sport with a cold start engine surge. At cold start up the engine will increase and decrease in the rpm and sometime die but ofter the van worms up it seems to run ok.


remove and clean IAC ( idle air control ), this is what controls idling on to days cars. if this does not help a lot, check or replace coolant tempurature sensor. it may be bad, if it is, it will think the engine is always warm and send wrong info to pcm. good-day ! and may god bless. you can also have a vaccumn leak ! if check engine light is on, get it scanned to know what area is causing the problem.

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After awhile these idle screws don't have a lot of effect, the throttle body & injectors are also probably dirty. The 1.5 turns out from a soft seat is a starting point. Go another 1 to 1.5 turns out to find the sweet spot. Pour a can of Seafoam in with about 1/2 tank of gasoline. That will help clean the injectors & combustion chambers. Clean the throttle body with throttle body cleaner, make sure there is no carbon around the edges of the butterfly and where it seats.
The knocking on starts is most likely from worn bearings. It will knock until oil pressure builds up & is circulating through the journals. I hope this helps.

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Sometimes to start you have to give it a lot of


Hi
This sounds like a cold start system fault, which is a number of things.
  1. Cold start temperature sensor not operating correctly so the cold start system won't work when the engine is cold.
  2. The idle needs to be set to the correct RPM of the engine when warm, if it is idling ok when it is warm then this wont be the problem.
  3. Spark Plugs are worn and need replacing.
Most case's its the cold start system not operating correctly and if you have a good workshop to take it too they should pick this up quite quickly. Hope this helps, let me know how you get on.

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I have a 2001 Mercedes C240. When the engine is running with car stopped you can feel a bit of trembling. It also cuts off during driving and at slow speeds only. Like when I will the foot off the pedal...


The first thing you do is have the engine control module scanned for fault codes. I also suggest you buy a can of spray throttle valve cleaner and clean the throttle valve and the idle speed control valve.

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High idle speed when the engine is cold


The high idle speed at start up is normal. As the engine temperature increases, the engine idle should kick down automatically. Insofar as the emissions results, if there were a problem, the check engine light should be on. If it is, take the car to an autoparts store and have the fault codes read. Most parts stores will perform the scan for free. If the check engine light is not on, and the idle question was all you were worried about, you are good to go! Hope this helped and best wishes.

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My 2002 cadillac deville white smoke from exhaust


Head gasket. There is antifreeze seeping into the cyllinder when it's not running. When you start it, it won't fire properly until that water is blown out the exhaust. Once it's gone, in a few seconds, just like you describe, it'll run fine. The antifreeze is then being blown out the exhaust. Re - white smoke.

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