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Outdoor & Recreation
Campers, Vans & 4WD's
98 Toyota Prado duel fuel check engine light frustration.
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<blockquote data-quote="B5MECH" data-source="post: 340970" data-attributes="member: 6829"><p>Are you certain 55 is the knock? not crank like Bogger stated? </p><p>Does it missfire/ backfire or just loose power</p><p></p><p>Before the following....... when it's hot if you Ignition off / ignition on it's still there hey</p><p></p><p>Al right this is what I'd do....It's consistent on both fuels so......clear code...check it's gone.......drive til it comes on ......gota be persistant :lol: </p><p>Rescan...still 55 yes?....hmm...to catch the crank sensor out you need to log live data while the problem is present but try this....</p><p>But 55's the knock...I know...but when an engine's timing is out it'll ping or knock and that could be why that code is thrown</p><p>I don't think I've ever seen a crank sensor throw a crank sensor code on running engines only non start vehicles</p><p></p><p>Get it hot........... problem present and spray the crank sensor with freeze spray and see if it clears up <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p><p>If it clears up ....... finger pointed</p><p>Limp mode makes me think more sensor than air leak but a hot engine and a massive air leak could throw a knock code and if bad enough could opt to limp mode</p></blockquote><p></p>
[QUOTE="B5MECH, post: 340970, member: 6829"] Are you certain 55 is the knock? not crank like Bogger stated? Does it missfire/ backfire or just loose power Before the following....... when it's hot if you Ignition off / ignition on it's still there hey Al right this is what I'd do....It's consistent on both fuels so......clear code...check it's gone.......drive til it comes on ......gota be persistant :lol: Rescan...still 55 yes?....hmm...to catch the crank sensor out you need to log live data while the problem is present but try this.... But 55's the knock...I know...but when an engine's timing is out it'll ping or knock and that could be why that code is thrown I don't think I've ever seen a crank sensor throw a crank sensor code on running engines only non start vehicles Get it hot........... problem present and spray the crank sensor with freeze spray and see if it clears up ;) If it clears up ....... finger pointed Limp mode makes me think more sensor than air leak but a hot engine and a massive air leak could throw a knock code and if bad enough could opt to limp mode [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
98 Toyota Prado duel fuel check engine light frustration.
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