Sputtering, idling

Tiny
DRIVECARFULLY
  • MEMBER
  • 1995 HONDA CIVIC
  • 1.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 180,000 MILES
My car issue began, Feb 3rd during a downpour early that morning, on my way to work. I drove through a large puddle in my 95 Honda Civic (manual) and immediately afterward my car began driving differently. I've gone to two mechanics, the first over sold me on a new battery and tinkered around my injectors but never changed them just claimed to have cleaned them. The second just diagnosed that I needed a new radiator which I replaced.
Symptoms: there is a slow turn over. At times it may take 5 seconds for the engine to completely get going. Kind of like it is hesitating to fully get moving
There is a low idle when the heat is on, above and below 1RPM, otherwise the engine idles at 1 to 2RPM.
There has been a faint scent of antifreeze but it goes away.
It is prone to shut off when it goes from still to 1st if the rpms are not high enough. (I usually rev up to 3RPM to be safe)
And on occasion it will sputter and sound like a go cart idling while driving but will drive normal a little while after depending on how long I've driven it.
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Wednesday, February 10th, 2016 AT 3:38 PM

4 Replies

Tiny
HMAC300
  • EXPERT
The puddle may have damaged your ecm due to water intrusion but try cleaning throttle plate on both sides and iac hole with choke cleaner and check for a vacuum leak. Then have coolant system pressure checked for a coolant leak
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Wednesday, February 10th, 2016 AT 3:51 PM
Tiny
DRIVECARFULLY
  • MEMBER
Thanks so much, I was thinking the iac had a hand in it just wasn't sure how to go about checking it. And someone else told me about a vacuum leak. Very helpful
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Wednesday, February 10th, 2016 AT 3:57 PM
Tiny
DRIVECARFULLY
  • MEMBER
I'm having additional issues. I'll be taking the car to a shop but want a opinion to go in with.
After I fixed the radiator the car rode fine until the check engine light, which showed a heated o2 sensor so I put in a new sensor and added some coolant and block sealant liquid to the radiator. It was riding fine with the exception of low idling and slow start, until one morning it wouldn't start up easily. That weekend it was driving fine until it stopped starting.

At times it sounds like it wants to start and others it's just attempting to crank. One day I spent 1hr trying to start it.
Not sure if this helps diagnose anything but any help is appreciated.
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Sunday, March 13th, 2016 AT 1:10 PM
Tiny
HMAC300
  • EXPERT
Do the pressure check and scan for codes see what is causing engine light to go on and check fuel pressure with a gauge auto parts rent it. Also check main and pgm relays
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Sunday, March 13th, 2016 AT 1:24 PM

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