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Ford/
Bronco/
1992-1996/
“pukin' dogII”/
Photo
supermotors.net/registry/media/877866
Diagrams illustrate various engine conditions based on gauge readings, including normal, steady low, and fluctuating needle behavior.
Steady low Less man 2 dawn irern nurmai Relarded igniien inning DriRs at idle, stabilizes at higher RPM Euml valve cernpusiien cnarnper leak o I 20 0 so 15 nesliaiien 15 15 iany in lane range despiie engine speed. seeady very low 25 Unbalanced carpureiieni irnpreper spark plug gapi lgnlilen iirnlngi peer valve sealing 1o 20 Laie valve inning 5 0 Manual engin 15 Needle wavers rapidly o Sieadv gauge 18 2n 0 bElweeri intzu ai idle 1 ai all speeds 1 becernes werse ai nigner RPM inreiile ls Weak er preken valve spring 5 released and engine 25 causing valve in epen siuwiy 5 gulcklv dreps irern ever 5 Needle wavers irregularly 2mm RPM ie idle Needdlewaversai idie nuciuaies Needle um 52 , 5 ra i n sma er ran e a i er 0 3 apeve rilurmpai inen dreps 0 30 RPpMyMariuid leak agl iniakea ie riuniiai Wilhuul pause er pen 0 30 1o 20 5... Vacuum au ages lewer inan nerrnai Idle needle iiuciuaies aimus1 3 n pain sides ei nennal ern valve guides adrniiiing airy and upseiilng carpureilen Skeady Extremely low Up in i5 drep Warped er cracked lniake rnaniield Bad carburaluHm rnaniield gaskei 25 2 15 liaidlsgruixlmmlw dmr-s 15 Needle jumys 2'1 5" aheve 1 Leaking cernpusiien cnarnper 1 0 WWW?" yckhidimmm esia es a a g er glraglvzlacqwgnuw Pcyugmy pressure peiere reiurning ie 5 25 5 25 riuniiai Resmmed eknausi yrgmgyghlm sys12m causing pack pressure recevers Valve siicking ai 0 3' limes er weni clese 0 3' preperiv 15 15 1o 20 1o 0 Needle dees nm jump much Dreps In H" inen rises heyend nennai Wnen inreiiie is under iuii inreiiie Win guickiv timed and engine speed 25 increased RPM Diriv air 5 25 is cui irern apeve zannww ie cieaneri Undersized idle Pls1uri rings may pe Wum carpureieri resinciien in and aiiewrng piewepv inie me 0 3I eknausi sys12m o o 3. crankcase m mam tum-m low
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