|
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net: > "Michael Pardee" <michaeltnull@cybertrails.com> wrote > >> I haven't personally heard of an ECU (Honda or otherwise) that >> survived getting wet. My son's '89 (?) Accord he had in Washington >> state got about an inch of water in the floor during a flood and the >> ECU was severely damaged, although the engine still ran after a >> fashion. It drank gasoline like crazy and the "check engine" light >> stayed on. More commonly, flooded ECUs just fail completely. A >> replacement from a wrecking yard is the obvious solution; his was $75 >> although others can cost over $100 US. >> >> FWIW, back when I worked in avionics a navigation system was brought >> in by an insurance adjuster because the pilot said it failed in heavy >> rain. I worked on it as he watched, and sure enough the first thing >> we saw inside was heavy water spotting, starting at the cooling >> fitting. But why was it dead? All the boards were coated with >> urethane. I found an open circuit board trace in the power supply. On >> very close examination (good light and magnifying glass) we could see >> there was a pinhole in the coating and where that hole in the coating >> was the trace underneath was gone. A piece of wire soldered across >> the gap and a swab of urethane made it as good as new... and it left >> me with a new respect for the corrosive power of the combination of >> water and DC. >> Mike > > Honda's ECU's are comparable to the aviation technology. Many other > automakers don't go to the extent that Honda does. The ones that do go > bad from moisture are probably from users who didn't know where or how > to remove the seat to get to the ECU quickly. Like I said... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > > > I dropped a cordless phone into a swimming pool once. Rescued it (once we figured out where it had gone), took it apart, left it in the sun, and it's fine now. Still using it. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net: > "Michael Pardee" <michaeltnull@cybertrails.com> wrote > >> I haven't personally heard of an ECU (Honda or otherwise) that >> survived getting wet. My son's '89 (?) Accord he had in Washington >> state got about an inch of water in the floor during a flood and the >> ECU was severely damaged, although the engine still ran after a >> fashion. It drank gasoline like crazy and the "check engine" light >> stayed on. More commonly, flooded ECUs just fail completely. A >> replacement from a wrecking yard is the obvious solution; his was $75 >> although others can cost over $100 US. >> >> FWIW, back when I worked in avionics a navigation system was brought >> in by an insurance adjuster because the pilot said it failed in heavy >> rain. I worked on it as he watched, and sure enough the first thing >> we saw inside was heavy water spotting, starting at the cooling >> fitting. But why was it dead? All the boards were coated with >> urethane. I found an open circuit board trace in the power supply. On >> very close examination (good light and magnifying glass) we could see >> there was a pinhole in the coating and where that hole in the coating >> was the trace underneath was gone. A piece of wire soldered across >> the gap and a swab of urethane made it as good as new... and it left >> me with a new respect for the corrosive power of the combination of >> water and DC. >> Mike > > Honda's ECU's are comparable to the aviation technology. Many other > automakers don't go to the extent that Honda does. The ones that do go > bad from moisture are probably from users who didn't know where or how > to remove the seat to get to the ECU quickly. Like I said... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > > > I dropped a cordless phone into a swimming pool once. Rescued it (once we figured out where it had gone), took it apart, left it in the sun, and it's fine now. Still using it. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net: > "Michael Pardee" <michaeltnull@cybertrails.com> wrote > >> I haven't personally heard of an ECU (Honda or otherwise) that >> survived getting wet. My son's '89 (?) Accord he had in Washington >> state got about an inch of water in the floor during a flood and the >> ECU was severely damaged, although the engine still ran after a >> fashion. It drank gasoline like crazy and the "check engine" light >> stayed on. More commonly, flooded ECUs just fail completely. A >> replacement from a wrecking yard is the obvious solution; his was $75 >> although others can cost over $100 US. >> >> FWIW, back when I worked in avionics a navigation system was brought >> in by an insurance adjuster because the pilot said it failed in heavy >> rain. I worked on it as he watched, and sure enough the first thing >> we saw inside was heavy water spotting, starting at the cooling >> fitting. But why was it dead? All the boards were coated with >> urethane. I found an open circuit board trace in the power supply. On >> very close examination (good light and magnifying glass) we could see >> there was a pinhole in the coating and where that hole in the coating >> was the trace underneath was gone. A piece of wire soldered across >> the gap and a swab of urethane made it as good as new... and it left >> me with a new respect for the corrosive power of the combination of >> water and DC. >> Mike > > Honda's ECU's are comparable to the aviation technology. Many other > automakers don't go to the extent that Honda does. The ones that do go > bad from moisture are probably from users who didn't know where or how > to remove the seat to get to the ECU quickly. Like I said... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > > > I dropped a cordless phone into a swimming pool once. Rescued it (once we figured out where it had gone), took it apart, left it in the sun, and it's fine now. Still using it. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in message
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > Time is definitely of the essence, since the electrolysis occurs like clockwork. I think an hour is okay, but overnight is definitely too long. If the car is found flooded in the morning, the outlook is grim indeed. Mike |
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in message
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > Time is definitely of the essence, since the electrolysis occurs like clockwork. I think an hour is okay, but overnight is definitely too long. If the car is found flooded in the morning, the outlook is grim indeed. Mike |
Re: 90 Accord got flooded - won't start after 3 days. Help.
"Burt" <burtsquareman@none.com> wrote in message
news:3PAhg.133244$F_3.76466@newssvr29.news.prodigy .net... > > When my non-coated electronic equipments fell off a boat they were all > quickly handled. They've cheated death and still running strong today. > Time is definitely of the essence, since the electrolysis occurs like clockwork. I think an hour is okay, but overnight is definitely too long. If the car is found flooded in the morning, the outlook is grim indeed. Mike |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk wrote:
> > 92000 miles. I came home the other day to find the car in a foot of > water, three inches inside. It started, I drove it around. I turned it > off and a bit later it started. It ran until I pulled into my > driveway, which is about a 40 degree angle down. The car ran another > 30 seconds or so while I was bailing out water, and then died. > > I had it towed out and placed on level ground but three days later it > still won't start. It has rained each day though so it isn't getting > dry. It cranks just fine, but it won't start. > > I guess either wires/spark plugs are wet? Or water got in the fuel > line? I can't figure why it worked fine until I pulled onto that > slope. > > Any advice greatly appreciated. --------------------------------------------- If you had disconnected the BATTERY right away, things might be different. The current will electrolyze all the parts that get wet, especially connectors and circuit boards. I've seen the traces 'evaporate' off (original Mac) circuit boards that got wet with the power on. If the power had been turned off right away, they would not have needed 'patching'. 'Curly' |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk wrote:
> > 92000 miles. I came home the other day to find the car in a foot of > water, three inches inside. It started, I drove it around. I turned it > off and a bit later it started. It ran until I pulled into my > driveway, which is about a 40 degree angle down. The car ran another > 30 seconds or so while I was bailing out water, and then died. > > I had it towed out and placed on level ground but three days later it > still won't start. It has rained each day though so it isn't getting > dry. It cranks just fine, but it won't start. > > I guess either wires/spark plugs are wet? Or water got in the fuel > line? I can't figure why it worked fine until I pulled onto that > slope. > > Any advice greatly appreciated. --------------------------------------------- If you had disconnected the BATTERY right away, things might be different. The current will electrolyze all the parts that get wet, especially connectors and circuit boards. I've seen the traces 'evaporate' off (original Mac) circuit boards that got wet with the power on. If the power had been turned off right away, they would not have needed 'patching'. 'Curly' |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk wrote:
> > 92000 miles. I came home the other day to find the car in a foot of > water, three inches inside. It started, I drove it around. I turned it > off and a bit later it started. It ran until I pulled into my > driveway, which is about a 40 degree angle down. The car ran another > 30 seconds or so while I was bailing out water, and then died. > > I had it towed out and placed on level ground but three days later it > still won't start. It has rained each day though so it isn't getting > dry. It cranks just fine, but it won't start. > > I guess either wires/spark plugs are wet? Or water got in the fuel > line? I can't figure why it worked fine until I pulled onto that > slope. > > Any advice greatly appreciated. --------------------------------------------- If you had disconnected the BATTERY right away, things might be different. The current will electrolyze all the parts that get wet, especially connectors and circuit boards. I've seen the traces 'evaporate' off (original Mac) circuit boards that got wet with the power on. If the power had been turned off right away, they would not have needed 'patching'. 'Curly' |
Re: 90 Accord got flooded - won't start after 3 days. Help.
On Thu, 8 Jun 2006 20:05:25 -0700, "Michael Pardee"
<michaeltnull@cybertrails.com> wrote: >"Burt" <burtsquareman@none.com> wrote in message >news:3PAhg.133244$F_3.76466@newssvr29.news.prodig y.net... >> >> When my non-coated electronic equipments fell off a boat they were all >> quickly handled. They've cheated death and still running strong today. >> > >Time is definitely of the essence, since the electrolysis occurs like >clockwork. I think an hour is okay, but overnight is definitely too long. If >the car is found flooded in the morning, the outlook is grim indeed. > >Mike > So are you saying that I just need to get an ECU from a junkyard and replace it in the Honda? I can screw in a lightbulb and even operate a screwdriver. According to a quick google search it's under the driver seat in a 1990 Accord. So, as someone wrote, I pull out the seat and replace the ECU? |
Re: 90 Accord got flooded - won't start after 3 days. Help.
On Thu, 8 Jun 2006 20:05:25 -0700, "Michael Pardee"
<michaeltnull@cybertrails.com> wrote: >"Burt" <burtsquareman@none.com> wrote in message >news:3PAhg.133244$F_3.76466@newssvr29.news.prodig y.net... >> >> When my non-coated electronic equipments fell off a boat they were all >> quickly handled. They've cheated death and still running strong today. >> > >Time is definitely of the essence, since the electrolysis occurs like >clockwork. I think an hour is okay, but overnight is definitely too long. If >the car is found flooded in the morning, the outlook is grim indeed. > >Mike > So are you saying that I just need to get an ECU from a junkyard and replace it in the Honda? I can screw in a lightbulb and even operate a screwdriver. According to a quick google search it's under the driver seat in a 1990 Accord. So, as someone wrote, I pull out the seat and replace the ECU? |
Re: 90 Accord got flooded - won't start after 3 days. Help.
On Thu, 8 Jun 2006 20:05:25 -0700, "Michael Pardee"
<michaeltnull@cybertrails.com> wrote: >"Burt" <burtsquareman@none.com> wrote in message >news:3PAhg.133244$F_3.76466@newssvr29.news.prodig y.net... >> >> When my non-coated electronic equipments fell off a boat they were all >> quickly handled. They've cheated death and still running strong today. >> > >Time is definitely of the essence, since the electrolysis occurs like >clockwork. I think an hour is okay, but overnight is definitely too long. If >the car is found flooded in the morning, the outlook is grim indeed. > >Mike > So are you saying that I just need to get an ECU from a junkyard and replace it in the Honda? I can screw in a lightbulb and even operate a screwdriver. According to a quick google search it's under the driver seat in a 1990 Accord. So, as someone wrote, I pull out the seat and replace the ECU? |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk <dgk@somewhere.com> wrote in
news:unhj82tv8ugj7itu4mmfgpt3hdhc75bict@4ax.com: > So are you saying that I just need to get an ECU from a junkyard and > replace it in the Honda? I can screw in a lightbulb and even operate a > screwdriver. According to a quick google search it's under the driver > seat in a 1990 Accord. No. See here: http://www.iequus.com/assets/manuals..._E_14JAN03.pdf Specifically page 15. > So, as someone wrote, I pull out the seat and > replace the ECU? See above. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk <dgk@somewhere.com> wrote in
news:unhj82tv8ugj7itu4mmfgpt3hdhc75bict@4ax.com: > So are you saying that I just need to get an ECU from a junkyard and > replace it in the Honda? I can screw in a lightbulb and even operate a > screwdriver. According to a quick google search it's under the driver > seat in a 1990 Accord. No. See here: http://www.iequus.com/assets/manuals..._E_14JAN03.pdf Specifically page 15. > So, as someone wrote, I pull out the seat and > replace the ECU? See above. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 90 Accord got flooded - won't start after 3 days. Help.
dgk <dgk@somewhere.com> wrote in
news:unhj82tv8ugj7itu4mmfgpt3hdhc75bict@4ax.com: > So are you saying that I just need to get an ECU from a junkyard and > replace it in the Honda? I can screw in a lightbulb and even operate a > screwdriver. According to a quick google search it's under the driver > seat in a 1990 Accord. No. See here: http://www.iequus.com/assets/manuals..._E_14JAN03.pdf Specifically page 15. > So, as someone wrote, I pull out the seat and > replace the ECU? See above. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
| All times are GMT -4. The time now is 12:22 PM. |
© 2024 MH Sub I, LLC dba Internet Brands