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#1
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need obd0 help - 91 crx
anyone have experience with a code 8 condition?
my crx is flashing this and will not clear. it has a brand new distributor & drives just fine. the check engine light is not on. code 8 is supposed to be for tdc/crank sensor, but are there any other conditions known to cause this? [for instance, code 16 is injectors, but is usually caused by the main relay] thanks! |
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#2
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TeGGer® wrote:
> jim beam > wrote in > news:1109225376.49a3cf732da26c8c268b02f1b7dca5fc@t eranews: > > >>anyone have experience with a code 8 condition? >> >>my crx is flashing this and will not clear. it has a brand new >>distributor & drives just fine. the check engine light is not on. > > > > Any symptoms other than the ECU flashing the code? > > Try clearing the code and see if it comes back again (pull backup or > backup/hazard fuse for 30 seconds). ah! had been pulling the wrong fuse! problem gone. thanks tegger. > > > >>code 8 is supposed to be for tdc/crank sensor, but are there any other >>conditions known to cause this? [for instance, code 16 is injectors, >>but is usually caused by the main relay] >> > > > > It is? that's been my experience. 4 different civics. |
#3
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TeGGer® wrote:
> jim beam > wrote in > news:1109305734.feb44c08e700cb27805bd59970b4a147@t eranews: > > >>>>code 16 is injectors, >>>>but is usually caused by the main relay] >>>> >>> >>> >>> >>>It is? >> >>that's been my experience. 4 different civics. >> >> > > > > Well, Main Relay term 3 feeds power to the injectors, but that feed is > taken before the relays themselves. I guess it must be cracked solder that > causes the ECU to see a no-voltage situation at the injector pins and thus > set a code 16. > > agreed. i'll bet 90% of all throttle body/injector sales have been as a result of code 16 replacements. the helm manual is utterly useless in diagnosis of this fault because it assumes the main relay's functioning correctly and sends you in a flow-charted wild goose chase that costs serious money. the only point at which it /does/ mention the main relay in the flow chart, in the '89 helm at any rate, it assumes it's a cabling fault, not a relay fault. |
#4
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TeGGer® wrote:
> jim beam > wrote in > news:1109307996.167df128e0fd699c71e100bdd60552d6@t eranews: > > >>TeGGer® wrote: > > >>>Well, Main Relay term 3 feeds power to the injectors, but that feed >>>is taken before the relays themselves. I guess it must be cracked >>>solder that causes the ECU to see a no-voltage situation at the >>>injector pins and thus set a code 16. >>> >>> >> >>agreed. i'll bet 90% of all throttle body/injector sales have been as >>a result of code 16 replacements. the helm manual is utterly useless >>in diagnosis of this fault because it assumes the main relay's >>functioning correctly and sends you in a flow-charted wild goose chase >>that costs serious money. the only point at which it /does/ mention >>the main relay in the flow chart, in the '89 helm at any rate, it >>assumes it's a cabling fault, not a relay fault. >> >> > > > > A question then: What would be the symptoms, if any? Stumbling? Stalling? > Just the Check Engine light and nothing else? > if the motor starts, there's no symptoms. if it doesn't, it lights the check engine signal & stores code 16. i've never had a motor cut out or stumble with main relay problems once the motor's running. |
#5
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On Fri, 25 Feb 2005 16:56:12 -0800, jim beam >
wrote: > i've never had a motor cut out or >stumble with main relay problems once the motor's running. I have! Sumbitch left me by the side of the road near Wapela Saskatchewan. Just quit cold after coming all the way from Calgary. Had I known then what I know now! |
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