Question about 1998 Honda Civic

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What is the recommended oil viscosity for a 250000 miles 98 Honda Civic LX

The engine is not idling, but tends to run about 500 rpm when initially hot and vibrates excessively as it were gonna to turn off. I have poured it about 4 Qt of HM 5w30 oil and add a 16 Oz STP oil treatment b ottle.

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  • Honda Master
  • 85,222 Answers

Still the same as the day you bought it.

Posted on Mar 24, 2014

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Benimur

Louie Role

  • 6966 Answers

SOURCE: idling problem when ac turned on honda civic lxi 1999

Hi,

To my knowledge (at least in my country), some Honda Civics have a compensator solenoid the pushes on the throttle that adjust the engine's RPM to its standard idling when the A/C compressor is activated. Technically, this solenoid is nothing more but a coil and a plunger. When the compressor runs, the same relay activates this solenoid and pushes the plunger forward increasing the RPM. Pls check/clean/adjust/replace as deemed fit and necessary.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Sep 23, 2008

rylee_smith

Rylee Smith

  • 8619 Answers

SOURCE: 1992 Honda Accord EX 4 cylinder automatic [engine RPM change]

Hi!

It seems to be clutch problem.

There is a way to slightly adjust the idle,on the front of the throttle body where the intake boot is bolted on,abovt the boot and slightly to the left you will see a hole about 1/2 inch wide and it is plugged with grey epoxy like material. Using a flat head screw driver scrape the epoxy out of the hole and there is a flathead adjustment screw. You can adjust the idle up and down just a few hundred rpm. Hope this helps and let me know if there is any more direction you need.
Please rate this solution.

Thanks
Rylee

Posted on Feb 14, 2009

asetech74

Ed Warden

  • 218 Answers

SOURCE: timing chain maintenance

It's actaully a timing belt, not a chain. But the mileage recommendation i believe is 60,000 or 90,000 miles.

Posted on Mar 10, 2009

Anonymous

  • 1 Answer

SOURCE: 1990 Honda Civic will not start

Most of the handas have a pick up inside the distributor behind the rotor button take off the black cover inside the distributor and two screws hold it on with two wires on it. If that go's bad your car will not start i would start there

Posted on Jun 01, 2009

Anonymous

  • 34 Answers

SOURCE: my 98 honda civic Lx wont shift into gear

check your shift linkages if the bushing is worn out you may have problems shifting or it could be a bad transmission

Posted on Dec 26, 2009

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2 Answers

Ive got a Corolla 2006 model,im getting a lot of vibration from the engine while in drive but stationary-like at the red light,my engine RPM is showing about 500 is that to slow can I get the RPM adju


Hello, the idle speed is controlled by the computer, there is no adjustment, what you can do is to clean the inside of the throttle body:

Remove the intake hose from the T/Body, disconnect the battery, use a can of air intake/throttle body cleaner and a brush, open the throttle all the way and clean the carbon out, put the hose back and reconnect the battery, start the engine and keep the rpm up until it clears out, drive it for about 15 minutes, about 90% of the time this fixes low idle.

Feb 15, 2015 | 2006 Toyota Corolla

1 Answer

I have a 2003 ford expedition and when you set and it idles for a bit like at stop light or just sitting in traffic it like sputters and feels like the whole engine is gonna fall out. Please help


hot or cold engine, or both? key,
key fact too, can you save the stall or low RPm with fast right foot action??????
that is misfire, can be caused by 50 things,
most things are in engine, like cracked valves or pistons,etc.
but in physics its just 3 (assumes battery is at 13.3v to 15v running)
stalls or near stalls.
when the engine shook, was RPM below 800 RPM
at below 500 all engines shake, that is normal for idle speed control failure.
ever service the engine? at every 60,000 miles,? do the listed things
in the operators guide? at the least spark plugs and filters.?
tune up parts are those parts that never last the life of an engine, 300k.+
no engine option stated. there are many.

800RPM hot misfire is another matter.
that will be (compression good all cylinder) bad spark on any ,bad fueling or egr stuck open (egr will cause dropping idle, if extreme leak)
no engine stated so cant look up if it has EGR. some engines dont
the use a detuned CAM to do same thing.
its and older truck some have huge mileage after , 11 long years. huge. (unstated )
oh all old cars or high mileage a compression test and leak down test
are the 1st step by me.
you cant burn fuel well with flat compression.

Jun 10, 2014 | Cars & Trucks

1 Answer

Low idle & vibration at idle


I don't know if this will help. Had a similar problem with a 99 Blazer.
Would drop to between 300 and 500 rpm at stop signs and red lights, would stall and shake.
Did all the same checks, replaced mass air flow sensor, replaced cam sensor, cleaned the fuel injectors but the problem was still there.
Replaced both #1 and #2 O2 sensors in the exhaust pipes and now the vehicle runs fine. The idle is back to a steady 750 rpm in all stopping conditions. The Mass air flow sensor and Cam position sensor get information from the O2 sensors.

Apr 10, 2014 | Ford Transit Connect Cars & Trucks

1 Answer

Idle fluctuating rpm check engine light


run the fault codes as the engine idle is being affected by a faulty sensor . The vibrations are probably because the idle rpm's are too low.

Mar 11, 2014 | Toyota Corolla Cars & Trucks

2 Answers

Engine excessive vibration during idle


vibration can be motor mount, harmonic balancer,

Apr 30, 2011 | Nissan Frontier Cars & Trucks

3 Answers

Hi I drive a 2006 corrolla with 70,000 miles. I noticed the idle slowly but surely gettin a litttle rough and lower. This only starts to happen after I have been driving for about 5 min. It usually happens...


It's been almost 2 years since you posted the question so it's likely you will not see my answer to your question.

First, do NOT make any adjustments to your throttle body idle setting. The screw most likely never budged since 2006 so you should not touch it since this is not the root cause. But yes it is wise to check all vacuum lines as "craig" suggested.

I have a 2007 Corolla CE, 1.8 liter VVT engine, 5 speed manual transmission which I bought new from the dealer. Currently has about 108k miles on it. After about 4 or 5 years in cool to cold weather it started doing the same thing. I researched it online then asked my local Advance Auto Parts person who confirmed my hunch. It is known as "idle hunting" when the engine is cold, in colder outside temperatures the idle rpm's will increase up to roughly 2000 rpm then drop to idle, then back to 2000 rpm, then repeats multiple times. Then after driving a short distance, stopping and running at idle, the idle speed may drop to 600 or 500 or as low as 400 rpm, running quite roughly but still keeps running. My Corolla normally idles smoothly and steadily at 800 rpm when warm or hot. The idle hunting or low idle rpm will typically correct itself when the engine warms up enough.

The problem: the intake manifold gasket has aged and shrunk a bit, allowing engine compartment air to get pulled directly past the gasket and into the cylinder head intake port. This causes an imbalance between the reduced air filter airflow sensed by the Mass AirFlow (MAF) sensor versus the actual air/fuel ratio versus the engine rpm versus the oxygen level in the exhaust stream. The gasket will shrink more as the temperature under the hood drops, allowing more air to flow past the gasket. The Engine Control Unit (ECU) is simply trying to do its job as programmed by increasing fuel delivery to compensate for the overall imbalance, then when rpm's get too high it will reduce fuel delivery.

The solution: purchase a new intake manifold gasket for roughly $10 to replace the stock gasket. Mine is a thin orange polymer gasket with round cross-section which seals around all 4 intake ports. You can search for instructional video of how to install it on YouTube.

I purchased one but did not install it yet. I am sure this will resolve the problem since all other suggested fixes I found on the internet did nothing but unnecessarily frustrate the owners.

Apr 03, 2011 | Toyota Corolla Cars & Trucks

1 Answer

Engine surge during warm up.


Try changing your PCV valve make sure the hose is clean and not full of oil. Also check the elbow end that goes to the intake they tend to collapse from oil saturation. Hope this helps.

Sep 27, 2009 | 2002 Ford F150 Regular Cab

1 Answer

Carburettor adustment on 1995 mitsubishi starwagon


If you have a carburator still then you need to know more.
screwdriver method on feel/rpm gauge
Proper exhaust measurement.
Run her up to 650 rpm idle start adjusting mixture screw until max rpm obtained. back out a bit too be lean. Ajust Idle screw again for 650.
Turn on appliances as lighting and airco. If engine starts/tends to stall, vibrate increase the idle a bit more.

You are not ready with the engine if not doing ignition settings and valve clearances as well, etc.

Mar 17, 2009 | 1995 Mitsubishi Mighty Max

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