TM 5-3805-262-203-30. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION5. ENGINE MISFIRES (Cont).S t e p 1 . ( C o n t ).Check that fuel SHUT OFF control is pulled completely out.Crank engine for five seconds to clear fuel from cylinders.Set VTM TEST SELECT switches to 14.NOTEWhile cranking engine with bad or discharged batteries, VTM may losepower and come on again after cranking has stopped, displaying -----. Ifthis happens, clean battery posts and clamps and try again. If VTM stillloses power, connect VTM to another vehicle’s battery. Connect P1 oftest probe cable W2 to J4 of VTM and W2 black test clip to loader bat-t e r y n e g a t i v e p o s t a n d r e d t e s t c l i p t o l o a d e r b a t t e r y p o s i t i v e p o s t.Then set VTM TEST SELECT switches to 15.Press and release TEST.When GO appears on display, crank engine until OFF or E013 appearson display. Be sure to return ignition key switch to off position .Display should indicatea .b .c.d .e .I f d i s p l a y i n d i c a t esstep 2 below.I f d i s p l a y i n d i c a t es(TBD).(TBD), compression unbalance is okay. Go toa number higher than (TBD), notify nexthigher-maintenance level (additional tests must be performed).If FAIL is displayed, compression is too far unbalanced to bemeasured using STE/ICE. Notify next higher maintenance level(additional tests must be performed).If GO appears, repeat this step.If E013 is displayed, test data cannot be analyzed due to weakbatteries or interrupted cranking during test. Correct weak bat-teries by charging them, then repeat this step. If E013 messagepersists, after two tests, notify next higher maintenance levelto perform compression test using pressure gage.Step 2. Remove engine right side panels (page 9-14).Check for wrong or contamimted fuel in fuel tank (contaminated fuelwill have a milky white appearance).a. If wrong or contaminated fuel in fuel tank, drain and clean fuelt a n k ( p a g e 4 - 3 2 ) , r e p l a c e f u e l f i l t e r s ( p a g e 4 - 3 8 ) , a n d r e f i l lw i t h c o r r e c t f u e l.b. If fuel is okay, go to step 3 below.3-222
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