Montgomery county: Need auto technician with strong diagnostic skills

etc · Sep 27, 2014

One time job:
Have a car that does not run right. Did a basic tune up (spark plugs, wires, air filter, fuel filter) to no avail.

Stumbles under load, lacks power. No check engine light codes thrown.

I don't know if it's a sensor went bad and if so, which. MAF sensor/O2/etc.

If you are very good with diagnostics and EFI, need your expertise.

North Potomac area.

Dmacri25 · Sep 27, 2014

I'd be more than glad too, but my shops in Harford. What kind of vehicle so you have?

Name Taken · Sep 27, 2014

What does not running right mean? Did you do a compression test?

If it's a newer car if one of the sensors were down you should most likely have a CEL.

Skins_Brew · Sep 27, 2014

Fuel filter in the right direction?

Sthomas229 · Sep 27, 2014

some info on the vehicle would be helpful. yr,make, model and engine size.

Jim12 · Sep 27, 2014

http://westbardcitgo.com/home/2297325

Westbard Citgo, 1 block off River Road, across from Kensington in Bethesda.

My family took our cars there for 30 years. Carlos passed away, but sons took over. If they still own it, go there.

But first, be sure it's not something simple and cheap you can fix yourself: Check the rubber vacuum lines, of which there are probably several, and which have a nasty habit of becoming disconnected or deteriorating and developing a split or a hole.

I've had that problem on more than one car, and they exhibit the symptoms you describe. Good luck.

G O B · Sep 27, 2014

Could be fuel, pump- filter. Could be exhaust stopped up converter-muffler collapsed.
Does the throttle plate open all the way?

amickey1979 · Sep 27, 2014

Solution

Did you check the Rotator Splint? :innocent0

iobidder · Sep 27, 2014

amickey1979 said:
Did you check the Rotator Splint?

etc · Sep 28, 2014

Skins_Brew said:
Fuel filter in the right direction?

Yeah. I was careful replacing the fuel filter.

GTOGUNNER · Sep 28, 2014

etc said:
Yeah. I was careful replacing the fuel filter.

What kind of car? Year? Mileage?
Hybrid ?
Most diesels don't have spark plugs.

mopar92 · Sep 28, 2014

I'm in Carroll but that's a ways.

You say stumbles under load. How does it do when in nuetral and revving it up without load?

Also don't skip the obvious.

Look, I know you're Gods gift to cars, but make sure the spark plugs are all tight and the boots are locked on. Also make sure the wires are in the correc order an you reconnected all the vacuum lines.

annihilation-time · Sep 29, 2014

GTOGUNNER said:
Most diesels don't have spark plugs.

Diesel engines do NOT have spark plugs. Some have glow plugs, but not spark plugs.

antco · Sep 29, 2014

Please post the year, make and model of the vehicle, as well as current mileage.

etc · Sep 29, 2014

mopar92 said:
I'm in Carroll but that's a ways.

You say stumbles under load. How does it do when in nuetral and revving it up without load?

Also don't skip the obvious.

Look, I know you're Gods gift to cars, but make sure the spark plugs are all tight and the boots are locked on. Also make sure the wires are in the correc order an you reconnected all the vacuum lines.

Have not tried that yet.

I checked all the obvious and simple things. Plugs, wires, air filter.

it's either the mass airflow filter dirty, or O2 sensor, or EGR valve or some vaccum issue.

I need someone to test drive it.

etc · Sep 29, 2014

antco said:
Please post the year, make and model of the vehicle, as well as current mileage.

Not on a public forum. It's just a plain jane domestic model, 4 cylinder. You cannot diagnose this online.

Oldcarjunkie · Sep 29, 2014

My S2k was doing something like this recently, i had my buddy check it but it didnt show anything,. Had no Cel code but when I would put it under load and it would stumble bad. I ended up taking it to honda man in Severna park and they put two techs on it for a week, they watched what was happining with one driving and one plugged into it with a pc they finally figured it was the primary O2. once replaced, no more issues

Oldcarjunkie · Sep 29, 2014

etc said:
Not on a public forum. It's just a plain jane domestic model, 4 cylinder. You cannot diagnose this online.

But you can find symptoms from the same model car online and find that someone had the exact same issue and what they did to repair that issue

matt · Sep 29, 2014

etc said:
Not on a public forum. It's just a plain jane domestic model, 4 cylinder. You cannot diagnose this online.

And I thought my tin foil was tight.

hum....

Did this start after you did the tune up?

GTOGUNNER · Sep 29, 2014

etc said:
Not on a public forum. It's just a plain jane domestic model, 4 cylinder. You cannot diagnose this online.

So you own one of 4 plain jane domestic model, 4 cyl cars. That is easy to pick out of a crowd.

and actually it probably could be diagnosed online if you gave more info.

Cars tend to have the same problems based on year make and model.

Thread should have read. GOOD REPAIR SHOP MOCO, SUGGESTIONS?

Montgomery county: Need auto technician with strong diagnostic skills

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